Search Results: Placoderms

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Placoderm
Senin, 2026-05-11 22:41:54

Paleontologists and placoderm specialists suspect that the scarcity of placoderms in the Silurian fossil record is due to placoderms' living in environments...

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Dunkleosteus
Rabu, 2026-06-03 08:00:54

other placoderms, may have also been among the first vertebrates to internalize egg fertilization, as seen in some modern sharks. Some other placoderms have...

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Chondrichthyes
Rabu, 2026-06-03 01:43:32

connection between the teeth and the original dermal scales. The old placoderms did not have teeth at all, but had sharp bony plates in their mouth. Thus...

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Fish
Kamis, 2026-05-28 00:18:13

including all living cartilaginous and bony fish, as well as the extinct placoderms and acanthodians. In a break from the long tradition of grouping all fish...

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Gnathostomata
Rabu, 2026-04-15 19:33:56

that a branch of placoderms was most likely the ancestor of present-day gnathostomes. A 419-million-year-old fossil of a placoderm named Entelognathus...

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Evolution of fish
Senin, 2026-03-23 13:09:13

hinged to the thoracic armour. This allowed placoderms to lift their heads, unlike ostracoderms. Placoderms were the first jawed fish; their jaws likely...

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Guiyu oneiros
Selasa, 2026-04-21 04:52:33

conodonts as index fossils. The Xiaoxiang fauna also includes galeaspids, placoderms and acanthodians. Guiyu was described by Chinese palaeontologist Zhu Min...

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Sarcopterygii
Jumat, 2026-05-15 09:28:29

cartilages like the skeletons of acanthodians, chondrichthyians and most placoderms. There are otherwise vast differences in fin, respiratory and circulatory...

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Devonian
Kamis, 2026-05-21 23:39:50

time, leading the Devonian to be called the Age of Fishes. The armored placoderms began dominating almost every known aquatic environment. In the oceans...

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List of placoderm genera
Selasa, 2026-01-13 03:24:20

established names, and genera that are no longer considered placoderms. The modern descendants of placoderms, the bony and cartilaginous fishes, and their extinct...

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Rhenanida
Minggu, 2026-05-03 19:49:46

Rhenanida ("Rhine (fish)") is an order of scaly placoderms. Unlike most other placoderms, the rhenanids' armor was made up of a mosaic of unfused scales...

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2024 in paleoichthyology
Sabtu, 2026-05-16 10:04:12

presented in 2024 is a list of new fossil taxa of jawless vertebrates, placoderms, cartilaginous fishes, bony fishes, and other fishes that were described...

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Bothriolepis
Selasa, 2026-02-10 12:29:52

today. Bothriolepis is a genus placed within the placoderm order Antiarchi. The earliest antiarch placoderms first appeared in the Silurian period of the...

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Arthrodira
Jumat, 2026-04-24 12:56:53

groups of placoderms. Arthrodire placoderms are notable for the movable joint between armor surrounding their heads and bodies. Like all placoderms, they...

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Actinolepis (placoderm)
Jumat, 2026-04-24 12:56:59

P. Plax; Michael J. Newman (2020). "New Early Devonian (late Emsian) placoderms from Belarus". Journal of Paleontology. 94 (4): 773–787. doi:10.1017/jpa...

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2025 in paleoichthyology
Sabtu, 2026-05-23 03:01:48

Several new fossil taxa of jawless vertebrates, placoderms, cartilaginous fishes, bony fishes, and other fishes were described during the year 2025, which...

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Osteichthyes
Jumat, 2026-05-15 16:35:02

contrasted with the Chondrichthyes (cartilaginous fish) and the extinct placoderms and acanthodians, which have endoskeletons primarily composed of cartilage...

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Qilinyu
Senin, 2026-01-12 07:19:31

nostrils on the underside of the head, similar to the unrelated antiarch placoderms. The shape of the skull has been described as "dolphin-like", with a domed...

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Ostracoderm
Jumat, 2025-08-01 07:45:51

it has two internal nasal organs. After the appearance of jawed fish (placoderms, acanthodians, sharks, etc.) about 420 million years ago, most ostracoderm...

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Ptyctodontida
Senin, 2026-05-18 09:51:58

once thought to be the most primitive of the placoderms. Indeed, there has been the idea that the placoderms had a gradient, of sorts, from the least armored...

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Romundina
Jumat, 2025-10-03 05:46:56

the hypothesis that placoderms are a grade as they have some features more closely related to cyclostomes then other placoderms while other features...

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Silurian
Minggu, 2026-05-03 18:52:32

during the Silurian was the diversification of jawed fish, which include placoderms, acanthodians (which gave rise to cartilaginous fish) and osteichthyan...

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Escuminac Formation
Sabtu, 2025-10-11 22:05:19

Placoderms Genus Species Presence Material Notes Images Bothriolepis B. canadensis An antiarch. Plourdosteus P. canadensis An arthrodire....

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Xiushanosteus
Minggu, 2025-06-01 17:42:54

of "maxillate placoderms" and acanthothoracids. The nuchal plate does not separate the two central plates unlike in most other placoderms. The head shield...

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Gravel Point Formation
Sabtu, 2025-10-11 22:07:44

Placoderms of the Gravel Point Formation Genus Species Presence Material Notes Images Holonemiid South Point (Gravel Point), Little Traverse Bay, Charlevoix...

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Microbrachius
Senin, 2024-08-26 05:21:08

coatis from the side as apposed from other angles. Other placoderms such as ptyctodontid placoderms have similarly shaped claspers. For example, the clasper...

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2026 in paleoichthyology
Jumat, 2026-06-05 16:53:59

sarcopterygians. Jobbins et al. (2026) study the composition of the fish (placoderm and sarcopterygian) assemblage from the Devonian (Eifelian) Elm Point...

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Materpiscis
Jumat, 2026-05-08 19:07:51

from other larger fishes. The ptyctodontid fishes are the only group of placoderms to display sexual dimorphism, where males have clasping organs and females...

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Gemuendina
Kamis, 2024-07-04 04:33:20

found as a result. Also unlike other placoderms, it did not have the characteristic tooth plates of placoderms. Instead, it had star-shaped tubercle...

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Acanthothoraci
Kamis, 2026-05-21 07:10:29

(spine chests) is an extinct group of chimaera-like placoderms closely related to the rhenanid placoderms. Superficially, the acanthoracids resembled scaly...

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Shoulder girdle
Senin, 2026-02-02 04:24:00

clavicle. This muscle acts to elevate the clavicle. A specimen of the placoderm Kolymaspis demonstrates that the shoulder girdle evolved from gill arches...

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Bothriolepididae
Selasa, 2026-03-24 22:00:16

Bothriolepididae is a family of antiarch placoderms, known from the Emsian, to Famennian. The cladogram is from "Bothriolepid antiarchs (Vertebrata, Placodermi)...

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Entelognathus
Rabu, 2026-05-13 03:09:37

like a face. Diagram with other maxillate placoderms in lateral view Diagram with other maxillate placoderms in dorsal view Pair (middle background) among...

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2023 in paleoichthyology
Selasa, 2026-03-24 04:57:41

presented in 2023 is a list of new fossil taxa of jawless vertebrates, placoderms, cartilaginous fishes, bony fishes, and other fishes that were described...

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Coccosteus
Senin, 2026-05-18 20:26:15

present at and below the Upper Eifelian Achanarras limestone level. List of placoderms Dean, Bashford (1895). Fishes, living and fossil. An outline of their...

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2010 in paleoichthyology
Selasa, 2025-06-03 08:07:38

 101–106. ISBN 978-3-89937-122-2. Gavin C. Young (2010). "A new antiarch (placoderm fish: Devonian) from the south coast of New South Wales, Australia". In...

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Antiarchi
Selasa, 2026-03-24 21:59:59

anus") is an order of heavily armored placoderms. The antiarchs form the second-most successful group of placoderms after the arthrodires in terms of numbers...

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Brindabellaspis
Sabtu, 2024-10-26 05:27:38

that B. stensioi, and also the antiarchs, are basal placoderms closest to the ancestral placoderm. New findings show B. stensioi may have evolutionary...

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2013 in paleoichthyology
Senin, 2026-04-27 16:18:22

This list of fossil fishes described in 2013 is a list of new taxa of placoderms, fossil cartilaginous fishes and bony fishess of every kind that have...

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Carnivore
Jumat, 2026-05-29 21:38:21

evolution of jawed fish, especially armored placoderms such as the massive Dunkleosteus. The dominance of placoderms in the Devonian ocean forced other fish...

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MOTH locality
Jumat, 2026-02-27 14:08:14

(2): 81–96. ISSN 0001-5709. Johanson, Zerina; Smith, Moya M. (2003). "Placoderm fishes, pharyngeal denticles, and the vertebrate dentition". Journal of...

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2014 in paleoichthyology
Kamis, 2026-04-16 11:16:36

gnathostomes, including placoderms and acanthodians, is published by Brazeau and Friedman (2014). Cranial anatomy of the placoderm Romundina stellina is...

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Four Mile Dam Formation
Selasa, 2025-07-01 02:50:52

Placoderms reported from the Four Mile Dam Formation Genus Species Presence Material Notes Images ?Macropetalichthys ?M. sp. "A partial head shield (32M)"...

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Elasmobranchii
Senin, 2026-05-25 11:02:47

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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2019 in paleoichthyology
Kamis, 2026-04-30 18:15:34

fishes described in 2019 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes, and other fishes...

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Rockport Quarry Limestone
Kamis, 2025-10-02 23:10:13

Placoderms reported from the Rockport Quarry Limestone Genus Species Presence Material Notes Images Dinomylostoma D. sp. An arthrodire. Dunkleosteus D...

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Wood Bay Formation
Senin, 2026-06-01 13:00:06

poorly represented at the formation compared to other animal groups. Placoderms are a group of armored fish that lived during the Late Silurian and Devonian...

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Stensioella
Sabtu, 2025-05-03 22:56:01

tentatively placed within Placodermi as being among the most basal of all placoderms, as from what can be discerned from the only whole specimen found, the...

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Andreolepis
Senin, 2026-05-18 21:44:44

Phylogeny of Gnathostomes Placoderms Placoderms Entelognathus Acanthodians Crown Chondrichthyes Lophosteus Andreolepis Crown Osteichthyes Simplified Phylogeny...

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2021 in paleoichthyology
Minggu, 2026-01-04 22:39:32

research presented in 2021 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes, and other fishes...

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Birth
Minggu, 2026-05-24 10:44:45

known placenta was found recently in a group of extinct fishes called placoderms. A fossil from Australia's Gogo Formation, laid down in the Devonian period...

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Teleostomi
Kamis, 2026-06-04 02:50:39

class Placodermi. Recent studies indicate that Osteichthyes evolved from placoderms like Entelognathus, while acanthodians are more closely related to modern...

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Fish egg fossil
Selasa, 2024-10-29 16:07:01

fish taxa have contributed to this record, including lobe-finned fish, placoderms, and sharks. Occasionally eggs are preserved still within the mother's...

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Alienacanthus
Senin, 2026-01-12 22:13:27

(/æliˌiːnəˈkænθəs/) (meaning "alien spine") is a genus of selenosteid placoderm from the Famennian Ostrówka Quarry in the Świętokrzyskie Mountains, Poland...

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2015 in paleoichthyology
Kamis, 2026-04-16 11:30:16

fishes described in 2015 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes and other fishes...

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2022 in paleoichthyology
Jumat, 2026-04-17 09:57:57

presented in 2022 is a list of new fossil taxa of jawless vertebrates, placoderms, cartilaginous fishes, bony fishes, and other fishes that were described...

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Lancelet
Rabu, 2026-06-03 23:09:18

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Geologic time scale
Sabtu, 2026-05-30 20:38:48

the shallows, eliminating trilobites, rugose and tabulate corals, and placoderms. Brachiopods, ammonoids, sharks, bony fish, and crinoids see major reductions...

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Pterichthyodes
Senin, 2026-03-30 02:38:09

Specimen length ranges from 8 inches (20 cm) to 12 inches (30 cm). As placoderms, they were members of the earliest known vertebrates to possess jaws,...

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Bianchengichthys
Selasa, 2026-01-06 10:25:56

transitionary form between placoderms and extant jawed vertebrates. The evolutionary relationships of Bianchengichthys to other placoderms is thought to shed...

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Lists of prehistoric fish
Kamis, 2026-06-04 13:47:33

prehistoric fishes include: List of prehistoric jawless fish List of placoderms List of acanthodians List of prehistoric cartilaginous fish List of prehistoric...

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Chimaera
Rabu, 2026-04-22 06:30:00

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Fish jaw
Senin, 2025-09-29 09:16:32

as the placoderms. They were smaller than most placoderms, usually under 20 centimetres. Spiny sharks did not diversify as much as placoderms, but survived...

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2011 in paleoichthyology
Rabu, 2025-09-24 23:22:14

S2CID 131051350. RÜCKLIN, MARTIN (January 14, 2011). "First selenosteid placoderms from the eastern Anti-Atlas of Morocco; osteology, phylogeny and palaeogeographical...

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2000 in paleontology
Rabu, 2026-03-25 22:58:15

Paleontology or palaeontology is the study of prehistoric life forms on Earth through the examination of plant and animal fossils. This includes the study...

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2017 in paleoichthyology
Jumat, 2026-04-17 06:51:50

fishes described in 2017 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes and other fishes...

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Carboniferous
Jumat, 2026-05-15 18:11:12

that this evolutionary radiation occurred because the decline of the placoderms at the end of the Devonian caused many environmental niches to become...

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Rhipidistia
Selasa, 2026-04-21 04:55:45

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Pseudopetalichthyida
Senin, 2025-11-24 11:47:29

Pseudopetalichthyida as placoderms consider them to be a group more advanced than the Ptyctodonts. And as such, pro-placoderm experts consider Pseudopetalichthyida...

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Dunkleosteidae
Selasa, 2026-05-19 03:59:21

Dunkleosteidae is an extinct family of arthrodire placoderms that lived during the Devonian period. The gigantic apex predator Dunkleosteus terrelli is...

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Xitun Formation
Jumat, 2026-02-27 13:53:18

Xiaobo; Choo, Brian; Wang, Junqing; Jia, Liantao (2012-06-23). "An antiarch placoderm shows that pelvic girdles arose at the root of jawed vertebrates". Biology...

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2018 in paleoichthyology
Minggu, 2026-04-26 15:40:34

fish described in 2018 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fish, bony fish, and other fish of...

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2020 in paleoichthyology
Minggu, 2026-04-26 13:40:23

fishes described in 2020 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes, and other fishes...

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Grossaspis
Minggu, 2026-04-05 02:29:38

Grossaspis is a monotypic genus of antiarch placoderms known from the Givetian age of Eifel, Germany. It is represented by the single species, Grossaspis...

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2016 in paleoichthyology
Kamis, 2026-06-04 18:50:48

fishes described in 2016 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes and other fishes...

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Deuterostome
Kamis, 2026-06-04 07:47:55

Class †"Acanthodii" (acanthodians, paraphyletic) Class †"Placodermi" (placoderms, paraphyletic) Class Chondrichthyes (cartilaginous fish) Clade Osteichthyes...

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Paleontology
Sabtu, 2026-05-30 16:22:38

separate jawless vertebrates (ostracoderms) from those with jaws such as placoderms and acanthodians. Similarly, the paleohistology of tetrapods has been...

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Timeline of fish evolution
Senin, 2026-05-18 09:29:15

were already present. Devonian aquatic environments were also marked by placoderms and acanthodians, which are only known from fossils, however. After suffering...

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Conodont
Jumat, 2026-04-10 19:03:03

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Amazichthys
Jumat, 2026-04-24 12:53:52

single species, Amazichthys trinajsticae. It is one of a few example of placoderm known from whole body shape, including cartilaginous axial and fin elements...

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Groenlandaspis
Jumat, 2026-04-24 12:54:52

ornamentation of widely spaced, coarse tubercles. Groenlandaspis is unusual among placoderms in that it is known what color it was; preserved pigment cells in its...

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Synovial joint
Senin, 2025-12-22 19:20:04

canals incompatible with fluid-filled joint cavities, while early jawed placoderms have reciprocally articulating surfaces separated by joint cavities. Synovial...

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Zhongxiniscus
Senin, 2026-02-02 21:09:06

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Animals of Devonian Michigan
Rabu, 2026-05-27 07:47:24

brachiopods. Also found, but not so commonly, are armored fish called placoderms, snails, sharks, stromatolites, trilobites and blastoids. Bryozoans (moss...

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Haikouichthys
Jumat, 2026-03-27 16:13:43

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Dickosteus
Selasa, 2026-05-19 03:18:22

Caithness, Scotland. It was a small placoderm with a total body length of 43.7 cm (17.2 in). It is one of the few placoderms for which complete bodies are known...

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Holdenius
Selasa, 2026-05-19 09:56:57

placoderm fish which lived during the Late Devonian period. Holdenius was a large arthrodire, reaching lengths of around 3 m (9.8 ft). This placoderm...

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Pikaia
Senin, 2026-05-04 14:33:16

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Cathaymyrus
Minggu, 2025-07-27 23:45:55

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Murmur arctatum
Jumat, 2026-04-24 12:58:15

Murmur is a genus of placoderm. The type species is Murmur arctatum. It was described from a fossil found within the Beartooth Butte Formation of Wyoming...

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Acanthodii
Kamis, 2026-01-08 06:05:17

characteristics are considered homologous characteristics derived from common placoderm ancestors[clarification needed], and present also in basal cartilaginous...

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Lunaspis
Selasa, 2026-01-13 03:20:50

Sinica. More about Placoderms. (2002). Retrieved March 6, 2017, from Devonian Times, http://www.devoniantimes.org/who/pages/placoderm.html Archived 2018-03-06...

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Crinoid
Senin, 2026-03-23 05:27:05

crinoid stems with bite marks matching the toothplates of coccosteid placoderms have been found in Late Devonian Poland. The calyxes of several Devonian...

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Predation
Sabtu, 2026-05-30 08:47:26

of the first fish to have jaws were the armoured and mainly predatory placoderms of the Silurian to Devonian periods, one of which, the 6 m (20 ft) Dunkleosteus...

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Asterolepis (fish)
Jumat, 2026-03-06 14:54:36

Asterolepis is an extinct genus of antiarch placoderms from the Devonian of North and South America and Europe. They were heavily armored flat-headed benthic...

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Palatoquadrate
Jumat, 2025-11-28 21:50:05

palatoquadrate forms from splanchnocranium in various chordates including placoderms and acanthodians. Look up palatoquadrate in Wiktionary, the free dictionary...

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Kimbryanodus
Senin, 2026-04-27 04:25:21

Kimbryanodus is a genus of extinct ptyctodontid placoderm fish from the Frasnian of Australia.These placoderms can be told apart from others due to the large...

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Actinopterygii
Minggu, 2026-05-24 20:06:26

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Bird Fiord Formation
Kamis, 2026-02-26 16:40:20

petalichthyid placoderm Ellopetalichthys scheii from the Middle Devonian of Arctic Canada, with remarks on the inner ear and neck joint morphology of placoderms"....

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Parietal eye
Minggu, 2026-05-24 06:33:31

vertebrate eye. Many of the oldest fossil vertebrates, including ostracoderms, placoderms, crossopterygians, and early tetrapods, have in their skulls sockets that...

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Bothriolepidoidei
Sabtu, 2025-04-19 10:50:49

Bothriolepidoidei is a suborder of antiarch placoderm fishes. The group is considered paraphyletic. The cladogram is taken from Bothriolepid antiarchs...

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Eastmanosteus
Senin, 2026-05-18 22:00:56

Eastmanosteus ("Eastman's bone") is a fossil genus of dunkleosteid placoderms. It was closely related to the giant Dunkleosteus, but differed from that...

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Scale (zoology)
Minggu, 2026-02-08 01:55:51

modern jawed fish ancestors, the jawless ostracoderms and later jawed placoderms, may have had scales with the properties of both placoid and ganoid scales...

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Murmur
Jumat, 2025-03-14 18:30:32

non-cryptographic hash function mürmur, a New York City podcast Murmur (placoderm), a genus of placoderms Murmuration, a swarming behavior of starlings Mur Murs, documentary...

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Hunsrück Slate
Selasa, 2026-05-19 04:12:49

fishes have been described from the Hunsruck slate. Several genera of placoderm armoured fish have been recorded, including some preserved in three dimensions...

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Phanerozoic
Senin, 2026-04-27 18:40:49

conodonts and ostracoderms, as well as jawed fish such as the armored placoderms (e.g. Dunkleosteus), the spiny acanthodians and early bony fish. The Devonian...

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Pinguosteus
Jumat, 2026-04-24 12:56:47

Pinguosteus thulborni is a species of arthrodire placoderm from the Gogo Reef Formation, of Late Devonian Australia. The proportions of its armor, coupled...

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Flatworm
Kamis, 2026-05-14 10:52:28

coprolite, but helminth hooks still attached to Devonian acanthodians and placoderms might also represent parasitic flatworms with simple life cycles. The...

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Millerosteus
Selasa, 2026-05-19 03:18:18

placoderm from the Early Givetian stage of the Middle Devonian period. Fossils are found in Orkney and Caithness, Scotland. It was a small placoderm with...

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Tongdulepis
Selasa, 2025-04-22 05:26:01

Tongdulepis is an extinct genus of tubalepid antiarch that lived during the Eifelian stage of the Middle Devonian epoch. Tongdulepis concavus fossils are...

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Snailfish
Senin, 2026-05-18 07:19:30

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Notochord
Kamis, 2026-04-30 14:37:02

either with attached bony elements or without, most notably the conodonts, placoderms, and ostracoderms. Even after the evolution of the vertebral column in...

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Dicranurus
Selasa, 2025-11-11 11:21:31

speculated to have hampered the ability of predators, such as arthrodire placoderms, to attack them, and to help prevent them from sinking into the soft mud...

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Splenial
Senin, 2026-03-16 02:43:07

"The Evolution of Vertebrate Dermal Jaw Bones in the Light of Maxillate Placoderms". In Johanson, Zerina; Underwood, Charlie; Richter, Martha (eds.). Evolution...

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Tetrapod
Kamis, 2026-05-28 10:34:55

Devonian fishes, including an early shark Cladoselache, Eusthenopteron and other lobe-finned fishes, and the placoderm Bothriolepis (Joseph Smit, 1905)....

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Teleost
Senin, 2026-05-18 07:17:36

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Dinichthys
Senin, 2026-05-18 20:58:22

ichthys 'fish') is an extinct monospecific genus of large marine arthrodire placoderm from the Late Devonian (Famennian stage) measuring around 3 metres (9...

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Selenosteidae
Kamis, 2026-05-21 14:53:02

Selenosteidae is an extinct family of small to large-sized arthrodire placoderms from the Late Devonian. With the exception of the Chinese Phymosteus,...

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Fram Formation
Minggu, 2026-04-19 02:02:15

placoderm. Asterolepis A. alticristata NV2K17 locality. Numerous specimens. A placoderm. A. cf. radiata NV2K17 locality. Multiple plates. A placoderm...

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Petalodontiformes
Sabtu, 2025-08-16 21:34:39

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Yunnanozoon
Senin, 2026-05-04 14:37:23

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Jaw
Kamis, 2025-12-18 13:59:53

probably originally evolved in the Silurian period and appeared in the Placoderm fish which further diversified in the Devonian. The two most anterior...

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Migmatocephala
Jumat, 2026-04-24 12:58:09

Migmatocephala is a clade of placoderm fish within the suborder Brachythoraci. Migmatocephala includes the homostiids Taemasosteus?, Tityosteus, Antineosteus...

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Plourdosteus
Senin, 2026-05-18 22:57:16

of placoderm arthrodire which was relatively widespread in Euramerica during the Givetian to Frasnian ages of the Devonian. It was a small placoderm, with...

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Phyllolepida
Senin, 2026-05-18 20:32:03

taxon of flattened placoderms found throughout the world, with fossils being found in Devonian strata. Like other flattened placoderms, the phyllolepids...

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Megalodon
Jumat, 2026-06-05 15:55:14

largest confirmed great white shark, and 7,495 newtons (1,685 lbf) for the placoderm fish Dunkleosteus. In addition, Wroe and colleagues pointed out that sharks...

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Phoebodontiformes
Selasa, 2026-05-19 04:13:45

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Coccosteidae
Selasa, 2026-05-19 01:57:52

Coccosteidae is a family of arthrodire placoderms from the Early to Late Devonian. Fossils appear in various strata in Europe, North America and China...

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Fish scale
Sabtu, 2026-04-25 05:34:46

exist in modern jawed fish ancestors: jawless ostracoderms and then jawed placoderms. Shark skin is almost entirely covered by small placoid scales. The scales...

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Agnatha
Jumat, 2026-05-22 01:17:28

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Erikaspis
Jumat, 2026-04-24 12:54:34

Erikaspis is an extinct monospecific genus of arthrodire placoderm fish found in Lochkovian-Pragian (Lower Devonian) deposits of Podolia, Western Ukraine...

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Sacabambaspis
Kamis, 2026-05-28 14:01:05

feature may not have been typical in the Paleozoic. Galeaspids, some placoderms, and Eriptychius, for example, had widely-spaced eyes with the brain filling...

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Holonema
Senin, 2025-06-23 13:10:20

Holonema is an extinct genus of relatively large, barrel-shaped arthrodire placoderms that were found in oceans throughout the world from the Mid to Late Devonian...

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Milwaukee Formation
Minggu, 2025-06-22 03:55:21

graptolites, conodonts, arthrodire placoderms, ptyctodont placoderms, rhenaniform placoderms, petalichthyiform placoderms, chondrichthyans, acanthodians,...

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Bowfin
Senin, 2026-05-04 02:19:41

98 in) total length they have been described as looking like miniature placoderms. They grow quickly, and typically leave the nest within 4 to 6 weeks after...

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Semicircular canals
Rabu, 2026-02-04 02:01:58

Min; Lu, Jing (2021-03-08). "Endocast and Bony Labyrinth of a Devonian "Placoderm" Challenges Stem Gnathostome Phylogeny". Current Biology. 31 (5): 1112–1118...

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Timeline of Earth
Jumat, 2026-05-01 01:10:49

boney armor serves as protection against the successful radiation of Placoderms and as a way to live in calcium-poor fresh water environments. c. 410...

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Nessariostoma
Senin, 2025-11-24 11:47:01

Nessariostoma granulosum is a lightly armored pseudopetalichthyid placoderm from the Hunsrückschiefer Lagerstätte of Early Devonian Germany. The type...

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Bungartius
Jumat, 2026-04-24 12:57:15

family belonged to Pachyosteina, a paraphyletic placoderm clade that represented the "dominant placoderms of the Upper Devonian". In a 2017 phylogenetic...

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Intromittent organ
Minggu, 2026-05-03 17:05:50

male members of Chondrichthyes (sharks and rays), as well as now-extinct placoderms, the pelvic fins bear specialized claspers. During copulation, one clasper...

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Parayunnanolepis
Selasa, 2026-01-06 10:26:45

pelvic girdles, and or inherited them from a common ancestor of both placoderms and other gnathostomes. "New study showing pelvic girdles arose before...

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Dunkleosteoidea
Kamis, 2026-05-21 19:37:31

Dunkleosteoidea is an extinct superfamily of arthrodire placoderms that lived during the Devonian period. The gigantic apex predator Dunkleosteus terrelli...

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Watsonosteus
Selasa, 2026-05-19 03:18:26

arthrodire placoderm from the Late Givetian stage of the Middle Devonian period. Fossils are found in the Orkney Islands, Scotland. It was a small placoderm with...

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Catskill Formation
Jumat, 2026-05-01 04:08:11

John A.; Daeschler, Edward B. (2013). "First Articulated Phyllolepid Placoderm from North America, with Comments on Phyllolepid Systematics". Proceedings...

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List of things named after David Attenborough and his works
Rabu, 2026-06-03 07:30:31

and flora." Materpiscis attenboroughi † Long et al., 2008 Fish A fossil placoderm from the Devonian of Australia, this is the oldest known example of any...

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Batomorphi
Senin, 2026-05-18 08:34:37

Commons has media related to Batomorphi. Rhenanida – similarly shaped placoderm fish Myliobatiformes include stingrays, butterfly rays, eagle rays, and...

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Timeline of human evolution
Rabu, 2026-06-03 03:53:06

led to the pharynx (water passed through them and left through gills). Placoderms had competition with the previous dominant animals, the cephalopods and...

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Lists of prehistoric animals
Rabu, 2026-05-27 10:24:26

fish genera List of acanthodian genera List of conodont genera List of placoderm genera List of chitinozoan genera List of eurypterid genera List of mosasaur...

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Cephalaspis
Minggu, 2026-04-26 17:06:13

Cephalaspis was heavily armored, presumably to defend against predatory placoderms and eurypterids, as well as to serve as a source of calcium for metabolic...

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Janusiscus
Senin, 2026-05-04 09:01:07

Asterosteus Bolivosteus Gemuendina Jagorina Nefudina Ohioaspis "maxillate placoderms" Bianchengichthys Entelognathus Qilinyu Silurolepis? Incertae sedis Brindabellaspis...

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Extinction event
Jumat, 2026-05-15 06:21:13

end to the Devonian as a whole. This extinction wiped out the armored placoderm fish and nearly led to the extinction of the newly evolved ammonoids....

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Gorgonichthys
Senin, 2026-05-18 22:05:28

Gorgonichthys is extinct monospecific genus of large arthrodire placoderm. Fossils are found in the Upper Famennian Cleveland Shales of Late Devonian...

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Heterosteus
Selasa, 2026-05-19 02:45:05

Heterosteus (also known as Heterostius) is an extinct genus of heterosteid placoderm of the Middle Devonian known from remains discovered in Europe and Greenland...

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Cleveland Shale
Rabu, 2026-04-08 03:26:36

Placodermi, and palaeoniscinoids ray-finned fishes. The giant predatory placoderms Dunkleosteus terrelli, Gorgonichthys clarki, Gymnotrachelus hydei, Heintzichthys...

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Potangaspis
Jumat, 2026-04-24 12:58:27

Potangaspis is an extinct genus of placoderm fish that existed in China during the Devonian period. It was first named by Zhu Min, Wang Jun-qing, and...

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Mcnamaraspis
Selasa, 2026-05-19 00:38:19

trilobites. It has a distinct cartilaginous snout not recorded in other placoderms. Mcnamaraspis was originally classified as a member of the family Plourdosteidae...

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Megamastax
Selasa, 2026-04-21 04:53:39

including brachipods, molluscs, trilobites, and even armored fish like placoderms and galeaspids. Due to its large size and predatory lifestyle, Megamastax...

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Dicksonosteus
Senin, 2026-05-18 21:45:31

basal to the arthrodires, the most successful and widespread group of placoderms during the Devonian period notable for the movable joint between the armour...

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Petalichthyida
Minggu, 2024-12-22 12:30:57

Petalichthyida is an extinct order of small, flattened placoderm fish. They are typified by their splayed pectoral fins, exaggerated lateral spines, flattened...

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Ctenacanthiformes
Rabu, 2025-10-15 07:27:05

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Coelacanth
Kamis, 2026-05-28 05:57:43

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Chondrostei
Senin, 2025-05-26 11:16:02

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Mandagery Sandstone
Senin, 2026-04-06 00:22:09

in Sydney and the local Age of Fishes Museum in Canowindra. Antiarch placoderms make up the majority of specimens recovered; Bothriolepis and Remigolepis...

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Tiktaalik
Senin, 2026-06-01 20:53:01

of its body, which is not common in other fish (Tarrasius, Mandageria, placoderms and extant seahorses being some exceptions; see also Lepidogalaxias and...

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Bulongosteus
Sabtu, 2026-02-21 11:20:35

tolerate freshwater. This corroborates earlier research which indicated placoderms could tolerate a wide range of salinities, and implies Bulongosteus may...

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Rhenania
Sabtu, 2021-04-24 06:41:22

Tübingen, Germany SS Rhenania, a list of ships Rhenanida, an order of scaly placoderms This disambiguation page lists articles associated with the title Rhenania...

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Cyclostomi
Kamis, 2026-06-04 11:52:38

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Lagerstätte
Sabtu, 2026-04-25 22:19:03

Materpiscis, a ptyctodontid placoderm fish that is the oldest vertebrate known to give live birth...

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Fish anatomy
Jumat, 2025-12-19 19:00:48

probably originally evolved in the Silurian period and appeared in the Placoderm fish which further diversified in the Devonian. Jaws are thought to derive...

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Pachyosteomorphi
Jumat, 2026-04-24 12:58:17

Pachyosteomorphi is an extinct clade of arthrodire placoderms within the Eubrachythoraci (of the suborder Brachythoraci), armored fish most diverse during...

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Eugeneodontiformes
Senin, 2026-04-20 15:19:50

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Eurypterid
Minggu, 2026-05-03 13:25:19

fish first became more developed and coincides with the emergence of placoderms (armored fish) in both North America and Europe. Stylonurines of the surviving...

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Mountain Springs Formation
Senin, 2025-06-30 19:49:59

stratigraphic unit in Arizona. The remains of both antiarch and arthrodire placoderms are known from the formation. "Lake Meade National Recreation Area and...

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Diplacanthiformes
Jumat, 2025-08-08 16:43:04

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Antarctaspidae
Kamis, 2026-04-30 02:17:35

in petalichthyidae), and the tubercular ornament (a basal feature of placoderms). Members of Antarctaspidae are generally small with wide, flat skulls...

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Palaeospondylus
Senin, 2026-01-12 22:00:02

lungfish. Previously, it had been classified as a larval tetrapod, unarmored placoderm, an agnathan, an early stem hagfish, and a chimaera. A 2017 study suggested...

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Kujdanowiaspis
Minggu, 2026-04-26 19:54:35

ISSN 1631-0713. Szrek, Piotr; Dupret, Vincent (2017). "Placoderms from the Early Devonian "placoderm sandstone" of the Holy Cross Mountains, Poland with...

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Qataraspis
Senin, 2025-07-21 02:04:26

(meaning "Qatar shield") is an extinct genus of primitive arthrodire placoderm that lived sometime around the Late Devonian in what is now Qatar. The...

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Anaspida
Jumat, 2026-03-06 15:51:14

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Dragonfish
Rabu, 2026-01-21 21:45:11

bonytongue fish of the family Osteoglossidae Draconichthys, an arthrodire placoderm named after Stomiid dragonfishes Dragonfish (novel), a 2015 novel by Vu...

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Ctenurella
Senin, 2026-04-27 04:25:17

do not in fact meet each other behind the nuchal plate. Ptyctodontid placoderms recently have been shown to give birth to live young, with specimens of...

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List of prehistoric cartilaginous fish genera
Selasa, 2026-01-13 02:38:06

portal sharks portal Cartilaginous fish List of acanthodians List of placoderms List of prehistoric bony fish List of prehistoric jawless fish List of...

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Ischnacanthiformes
Rabu, 2024-12-25 03:42:03

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Titanichthys
Jumat, 2026-04-24 12:58:35

(meaning "titanic fish") is an extinct genus of giant, aberrant marine placoderm from shallow seas of the Late Devonian of Morocco, Eastern North America...

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Janiosteus
Jumat, 2026-04-24 12:55:08

Janiosteus is an extinct monospecific genus of placoderm arthrodire from the Middle Devonian: Late Givetian stage found in Timan, Russia. Janiosteus is...

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Brachythoraci
Jumat, 2026-04-24 12:57:07

Brachythoraci is an extinct suborder of arthrodire placoderms, armored fish most diverse during the Devonian. Arthrodira is divided into three main groups:...

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Stipatosteus
Jumat, 2025-06-06 14:54:29

The trunk armor of Stipatosteus is similar to a few different groups of placoderms such as that seen in Actinolepinans though lacks anterior ventral plate...

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Iniopterygiformes
Kamis, 2025-11-06 20:24:42

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Erik Stensiö
Selasa, 2026-02-17 12:17:09

"lower" vertebrates. His studies of placoderms showed them to be related to modern sharks (though, now, placoderms are considered to be the sister group...

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Hollardosteus
Jumat, 2026-04-24 12:56:41

Hollardosteus marocanus is a brachythoracid arthrodire placoderm from the Middle Devonian of Morocco. Its scrappy remains were found in Eifelian-aged...

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Xiangshuiosteus
Sabtu, 2025-07-19 03:21:45

Xiangshuiosteus wui is an extinct monospecific genus of brachythoracid arthrodire placoderm from the Late Emsian stage of the Early Devonian epoch, discovered in...

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History of Earth
Kamis, 2026-06-04 11:05:57

increasing sizes evolved during the early Paleozoic, such as the titanic placoderm Dunkleosteus, which could grow 7 meters (23 ft) long. The diversity of...

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Holocephali
Selasa, 2026-05-12 00:42:37

some unrelated lineage of placoderms, making Chondrichthyes a polyphyletic (unnatural) grouping. A particular group of placoderms called the Ptyctodontiformes...

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Neopterygii
Kamis, 2026-05-28 23:39:33

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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List of prehistoric bony fish genera
Kamis, 2026-03-19 01:23:19

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Robert Dick (geologist)
Sabtu, 2026-01-31 21:20:07

Jan den; Choo, Brian; Trinajstic, Kate (2015). "Copulation in antiarch placoderms and the origin of gnathostome internal fertilization" (PDF). Nature. 517...

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Branchial arch
Rabu, 2025-10-15 07:47:39

stapes in mammals) and in mammals, the malleus and incus. Studies on placoderms also show that the shoulder girdle also originated from gill arches. Scott...

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Hangenberg event
Minggu, 2026-05-17 23:28:07

globally and did not discriminate between freshwater and marine species. Placoderm diversity had already decreased in the Kellwasser Event, and all remaining...

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Homostiidae
Senin, 2026-05-18 08:49:39

(alternatively spelled Homosteidae) is a family of flattened arthrodire placoderms from the Early to Middle Devonian. Fossils appear in various strata in...

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Flagellopantopus
Minggu, 2026-03-22 15:53:59

alongside Flagellopantopus, including other arthropods, echinoderms, placoderms, agnathans, and various other groups. Some notable examples of contemporary...

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Homosteus
Senin, 2026-01-12 21:53:38

(also commonly spelled Homostius) is a genus of flattened arthrodire placoderm from the Middle Devonian. Fossils are found primarily in Eifelian-epoch...

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List of the prehistoric life of Pennsylvania
Selasa, 2025-04-29 11:47:57

Life restoration of the Late Devonian placoderm fish Bothriolepis...

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Pituriaspida
Kamis, 2025-10-02 03:13:34

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Streptophyta
Sabtu, 2026-04-04 19:53:16

Zygnematales (filamentous conjugates and saccoderm desmids) Order Desmidiales (placoderm desmids) Class Coleochaetophyceae (coleochaetophytes) Order Coleochaetales...

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Gooloogongia
Rabu, 2026-06-03 05:41:34

were probably not strong enough to penetrate the armor plating of small placoderms. Age of Fishes Museum, Canowindra Gooloogongia loomesi Specimens of Gooloogongia...

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Asterosteus
Selasa, 2026-01-13 10:34:47

Asterosteus is a genus of rhenanid placoderm from the Eifelian. The type species, A. stenocephalus, is known from an incomplete skull from Middle Devonian...

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Paleontology in New Mexico
Minggu, 2025-07-27 07:41:28

brachiopods, bryozoans, cartilaginous fishes, corals, graptolites, nautiloids, placoderms, and trilobites. During the Ordovician the state was home to algal reefs...

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Onychodontiformes
Selasa, 2026-04-21 04:14:11

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Weejasperaspis
Rabu, 2024-05-22 03:38:20

Weejasperaspis is an extinct acanthothoracid placoderm found in the Taemas-Weejasper Reef, of the Early Devonian-aged Buchan Group in eastern Victoria...

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Evieux Formation
Senin, 2026-01-12 22:16:38

Clément, Gaël; Daeschler, Edward B.; Dupret, Vincent (23 August 2016). "Placoderm Assemblage from the Tetrapod-Bearing Locality of Strud (Belgium, Upper...

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Bryantolepis
Jumat, 2026-04-24 12:57:11

Bryantolepis is an extinct genus of arthrodire placoderm fish from the Early Devonian period found in northern USA, and currently consists of two species...

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Miguasha National Park
Senin, 2026-02-23 12:29:32

Bothriolepis, a fossil antiarch placoderm found at this site....

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Cladistia
Selasa, 2026-03-24 22:00:24

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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The Monster of Lake LaMetrie
Jumat, 2025-10-24 19:36:32

property of prehistoric life washing ashore, such as tree-like ferns and placoderms. McLennegan believes that the lake is connected to an “inner Earth” from...

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Jugal bone
Sabtu, 2026-05-09 10:14:10

well as other bones, which may vary by species. The jugal is present in placoderms as the suborbital plate. Chondrichthyans have lost all dermal bone, including...

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Gogo Formation
Senin, 2026-04-13 12:16:55

Materpiscis, a placoderm preserved with an embryonic juvenile still attached by its umbilical cord, has revealed that at least some placoderms gave birth...

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Romer's gap
Kamis, 2025-10-16 09:05:34

lakes were dominated by lobe-finned fishes and armored fishes called placoderms. After the gap, modern ray finned fish, as well as sharks and their relatives...

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Erromenosteus
Kamis, 2026-04-30 02:38:22

Erromenosteus is a genus of extinct, medium-sized brachythoracid arthrodire placoderm from the Late Frasnian of the Kellwasserkalk facies of Late Devonian Bad...

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Denver Museum of Nature and Science
Selasa, 2026-05-26 07:39:52

diorama from 435 million years ago, a cast/replica skull of the ancient placoderm fish, Dunkleosteus, and a collection of trilobites. Some fossil bone of...

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Pteraspidomorpha
Senin, 2026-03-30 11:42:54

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Weejasperaspididae
Kamis, 2026-05-21 07:24:05

("Shields of Wee Jasper") is a family of three extinct acanthothoracid placoderms indigenous to the Early Devonian of Victoria and New South Wales, Australia...

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Melanosteus
Senin, 2025-09-29 22:34:51

Melanomontanosteus is an extinct genus of selenosteid placoderm that lived during the Late Devonian. It contains one valid species, M. occitanus, known...

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Kolpaspis
Jumat, 2026-04-24 12:55:12

Kolpaspis is an extinct genus of placoderm fish, which lived during the Middle Devonian period of North America. Bibliography of Fossil Vertebrates, 1969-1972...

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Prosphymaspis
Jumat, 2026-04-24 12:55:56

Prosphymaspis is an extinct genus of placoderm fish, which lived during the Late Devonian period of Europe. Welles, C. L. Camp, D. N. Taylor, and S. P...

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Heterosteidae
Kamis, 2026-05-21 15:38:14

extinct family of moderately large to giant, flattened, benthic arthrodire placoderms with distinctive, flattened, triangular skulls that are extremely broad...

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Panderichthys
Senin, 2025-12-08 22:32:14

the same deposits include an armored jawless fish (Psammolepis), two placoderms (Asterolepis and Plourdosteus), an unidentified acanthodid acanthodian...

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Diandongpetalichthys
Senin, 2025-11-24 10:04:44

Diandongpetalichthys liaojiaoshanensis is an extinct petalichthyid placoderm from the Early Devonian of China. Several specimens, in the forms of one...

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Rolfosteus
Senin, 2026-05-18 21:39:35

Rolfosteus is an extinct monospecific genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period, found at the Gogo Formation...

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List of Ohio state symbols
Minggu, 2026-05-31 23:06:38

State vertebrate fossil or State fossil fish The Dunkleosteus maximus placoderm fish became the official state fossil in 2021. State gemstone Ohio flint...

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Thelodonti
Senin, 2026-05-18 07:29:55

Cambrian-Ordovician time. However, the thelodonts (as well as the conodonts, placoderms, acanthodians, and chondrichthyans) are the second major group which are...

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Table Mountain Sandstone
Jumat, 2026-04-10 23:40:13

the extinct blastoids and cystoids), foraminifera and fish with jaws (placoderms). The upper layers of the Bokkeveld Group become increasingly more sandy...

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Late Devonian mass extinction
Sabtu, 2026-05-23 16:46:27

invasions[From where?] of cosmopolitan species, rather than by any single event. Placoderms were hit hard by the Kellwasser event and completely died out in the Hangenberg...

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Vertebrate paleontology
Selasa, 2026-03-31 13:03:22

vertebrates emerging in the following Silurian period (444 to 419 Ma) with the placoderms and acanthodians. The Devonian period (419 to 359 Ma) saw primitive air-breathing...

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Neutron tomography
Selasa, 2025-10-28 06:28:54

Per E. (2022-09-16). "Exceptional preservation of organs in Devonian placoderms from the Gogo lagerstätte". Science. 377 (6612): 1311–1314. Bibcode:2022Sci...

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Sigaspis
Jumat, 2026-04-24 12:56:08

Sigaspis is an extinct monospecific genus of arthrodire placoderm fish from the Early Devonian period. The type species Sigaspis lepidophora was described...

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Aleosteus
Jumat, 2026-04-24 12:53:50

Aleosteus is an extinct monospecific genus of arthrodire placoderm fish of the Early Devonian period. The type species Aleosteus eganensis was described...

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Vukhuclepis
Senin, 2026-02-23 16:02:43

Vukhuclepis lyhoaensis is an extinct, primitive antiarch placoderm. Specimens are of mostly complete thoracic armor from the Early Devonian Ly Hoa Formation...

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Egg fossil
Rabu, 2025-10-01 22:17:58

fish taxa have contributed to this record, including lobe-finned fish, placoderms, and sharks. Occasionally eggs are preserved still within the mother's...

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Holonematidae
Kamis, 2026-05-21 15:24:37

Holonematidae is an extinct family of relatively large arthrodire placoderms from the Early to Late Devonian. Almost all fossil specimens are of armor...

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Aspidichthys
Jumat, 2026-04-24 12:56:35

("shield fish") is a genus of large, distinctively tuberculated arthrodire placoderm of uncertain affinities from Upper Devonian marine strata in the Eastern...

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Charophyta
Minggu, 2026-05-24 04:23:47

cell-contents of the two conjugating cells. The saccoderm desmids and the placoderm or true desmids, unicellular or filamentous members of the Zygnematophyceae...

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Aztec Siltstone
Rabu, 2026-03-18 04:15:37

with a seasonal climate, a large amount of fish fossils including both placoderms and acanthodians have been found in the formation. The Aztec Siltstone...

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Incisoscutum
Senin, 2026-05-18 22:11:44

balance (for example hiding places for pregnant placoderms). This would have allowed the placoderms to invest more time and energy in producing and nurturing...

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Symmoriiformes
Sabtu, 2025-07-26 14:43:29

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Promissum
Senin, 2026-02-23 12:17:39

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Hidden Valley Dolomite
Minggu, 2025-06-22 03:40:59

along with the remains of other jawless fishes and a small arthrodire placoderm. Geology of Inyo County, California Google Books: United States Geological...

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Macropetalichthys
Senin, 2025-11-24 11:24:46

Macropetalichthys is a genus of placoderm fish, named by Norwood and Owen in 1846. The name "Macropetalichthys" means "armor-plated fish". It was assigned...

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Largest prehistoric animals
Rabu, 2026-05-27 04:52:53

had an estimated total length of 2.5 m (8 ft 2 in). The largest known placoderm was the giant predatory Dunkleosteus. The largest and most well known...

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Ailuracantha
Kamis, 2026-05-21 19:39:29

Ailuracantha is a montotypic genus of extinct placoderm from the family actinolepidae. It was discovered in the Senni Beds: a Devonian aged rock formation...

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Psarolepis
Selasa, 2026-04-21 04:54:26

spine extending back from the shoulder girdle which is found in some placoderms and acanthodians. Later, in 2001, Zhu and Schultze gave more basis to...

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Gogoselachus
Selasa, 2025-09-30 14:37:53

was a fast-swimming predator. It probably hunted other fish, such as placoderms and primitive bony fish. It had very unusual teeth, with large fangs surrounded...

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List of acanthodian genera
Senin, 2026-04-13 22:09:15

used on this list. paleontology portal fish portal Acanthodians List of placoderms List of prehistoric bony fish List of prehistoric cartilaginous fish List...

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Hadrosteidae
Kamis, 2026-05-21 15:02:59

Hadrosteidae is a family of arthrodire placoderms from the Late Devonian. It was originally erected for the late Frasnian Hadrosteus, from the Kellwasserkalk...

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List of the prehistoric life of Ohio
Sabtu, 2025-06-14 16:49:16

Mounted skull of the Late Devonian placoderm fish Dunkleosteus...

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Tuberculaspis
Selasa, 2026-04-21 06:38:28

other fish have been found including osteostracans, acanthodians, and placoderms. Ilyes, Robert R.; Elliott, David K. (1994). "New Early Devonian pteraspidids...

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Jiuchengia
Jumat, 2026-04-24 12:55:10

Jiuchengia longoccipita is a coccosteid arthrodire placoderm from the Late Emsian epoch of Wuding, Yunnan. Its skull is similar in form to those of Watsonosteus...

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Cleveland Museum of Natural History
Selasa, 2026-03-24 18:32:45

the Cleveland Shale, including several mounted skulls of the arthrodire placoderm Dunkleosteus. Many of these fossils and their casts are now on display...

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Osteostraci
Jumat, 2026-05-22 01:48:02

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Desmidiales
Senin, 2025-05-05 09:45:16

the desmids, a distinction is typically made between "saccoderm" and "placoderm" desmids. Saccoderm desmids, corresponding to the family Mesotaeniaceae...

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Intertemporal bone
Rabu, 2025-10-01 06:33:13

suggested that the intertemporal is homologous to the postorbital plate of placoderms and the dermosphenotic bone of actinopterygians (ray-finned fish). López-Arbarello...

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Acanthodiformes
Jumat, 2026-04-17 04:05:00

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Latocamurus
Selasa, 2026-05-19 01:23:53

Latocamurus is an extinct monospecific genus of flat-nosed arthrodire placoderm from the Early Frasnian stage of the Late Devonian period, found at the...

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Palaeacanthaspis
Jumat, 2024-01-05 21:10:10

Palaeacanthaspis vasta is an extinct acanthothoracid placoderm from the early Devonian of Europe. Dupret, Vincent; Szaniawski, Hubert; Dec, Marek; Szrek...

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Hongyu
Selasa, 2026-05-19 16:50:42

used. These streams would have also been home to a number of antiarch placoderms and Sinostega, a much smaller tetrapodamorph. Zhu, Min; Ahlberg, Per E...

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Eubrachythoraci
Jumat, 2026-04-24 12:57:33

Eubrachythoraci is an extinct clade of arthrodire placoderms within the suborder Brachythoraci, armored fish most diverse during the Devonian. Most are...

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Cephalaspidomorphi
Selasa, 2026-02-10 01:04:37

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Nefudina
Minggu, 2024-07-07 08:41:59

Nefudina qalibahensis is a rhenanid placoderm from the early Emsian during the Early Devonian epoch of Northeastern Saudi Arabia. It is known from skull...

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Quasipetalichthys
Senin, 2025-11-03 04:20:47

China, where they were found in association with remains of antiarch placoderms such as Bothriolepis sinensis, and Hunanolepis. The larger of the two...

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Wangolepis
Selasa, 2025-11-25 12:02:54

Silurian-aged Chinese and Vietnamese fossils of what are agreed to be a primitive placoderm. Janvier, Philippe, et al. "Devonian fish (Placodermi, Antiarcha) from...

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2008 in paleontology
Senin, 2025-11-17 10:18:32

Wikimedia Commons has media related to 2008 in paleontology. Paleontology or palaeontology is the study of prehistoric life forms on Earth through the...

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Paleontology in Michigan
Jumat, 2024-12-20 20:59:50

were placoderms. Usually Michigan strata of this age only preserve their bony armor and gnathal bones. There are three main groups of placoderms that...

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Proaethaspis
Jumat, 2026-04-24 12:55:54

Proaethaspis is an extinct monospecific genus of arthrodire placoderm fish from the Early Devonian period. The type species Proaethaspis ohioensis was...

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Battery Point Formation
Rabu, 2025-12-03 20:56:34

formations. Forillonaspis F. lehmani Cap-aux-Os locality An arthrodire placoderm Gaspestria G. genselorum Locality W, Cap-aux-Os member Four partial specimens...

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Mark Norell
Kamis, 2026-04-30 14:48:21

Thus, guests begin their exploration with the simplest vertebrates, placoderms and bony fishes, and conclude their visit with advanced mammals, such...

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Endolymphatic sac
Jumat, 2025-10-17 22:46:35

the outside environment in primitive galeaspids, all osteostracans, all placoderms, and most chondrichthyans, so there is no sac. In other vertebrates, the...

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Shenacanthus
Rabu, 2025-01-29 04:10:54

like Paucicanthus. Its pectoral region is unique for having relatively placoderm-like armour, with both lateral and ventral plates, alongside a large teardrop-shaped...

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Drepanaspis
Senin, 2026-05-04 02:46:41

(2019-06-23). "Revision of the Early Devonian psammosteids from the "Placoderm Sandstone": Implications for their body shape reconstruction". Palaeontologia...

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Skull roof
Kamis, 2026-01-08 09:28:19

skullcap. Early armoured fish (such as jawless ostracoderms and jawed placoderms) did not have a skull in the common understanding of the word, but instead...

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Greenops
Rabu, 2025-06-11 10:46:56

likely preyed upon by ammonoids, straight cephalopods, sharks, and small placoderms, hence the defensive spines. All of these animals have been found in close...

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Pterygotus
Senin, 2026-04-27 14:20:09

been capable of preying on armored fish such as pteraspidomorphs and placoderms. The deposits that yielded the fossils of P. siemiradzkii have also yielded...

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Compagopiscis
Selasa, 2026-05-19 03:16:38

Compagopiscis is an extinct genus of placoderm known from the Gogo Formation. It lived in the Upper Devonian (Frasnian stage) of Western Australia. The...

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Kronosaurus
Kamis, 2026-05-21 04:18:19

the bite force of these two pliosaurids exceed that of the predatory placoderm fish Dunkleosteus but are far from equaling that of the megalodon, to...

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List of sarcopterygian genera
Selasa, 2026-03-24 05:30:52

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Fault Bluff
Kamis, 2026-05-21 23:56:26

and bony plates. Fault Bluff' is the type locality for the phyllolepid placoderms, Austrophyllolepis quiltyi and Placolepis tingeyi. This outcrop of the...

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Coccosteoidea
Jumat, 2026-04-24 12:57:19

Coccosteoidea is an extinct superfamily of arthrodire placoderms that lived during the Devonian period. Eubrachythoraci is divided into the sister clades...

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Murrindalaspis
Selasa, 2024-11-19 03:06:53

Murrindalaspis is an extinct genus of acanthothoracid placoderm found in the McLarty Member of the Murrindal Limestone, of the Early Devonian-aged Buchan...

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Mount Ritchie
Minggu, 2025-11-09 09:41:41

fossils include a set of acanthodid acanthodiform jaws (Gyracanthides ?), placoderms (Bothriolepis macphersoni and Pambulaspis antarctica), and other fossil...

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List of marine fishes of South Africa
Kamis, 2023-11-09 18:53:34

including all living cartilaginous and bony fish, as well as the extinct placoderms and acanthodians. In a break from the long tradition of grouping all fish...

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Paleontology in Texas
Minggu, 2025-06-08 18:40:30

included armored fishes, also preserved in the Llano Uplift. Contemporary placoderms were preserved in central Texas. Like the state's Devonian rocks, those...

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Gauja Formation
Jumat, 2025-06-06 01:55:31

Panderichthys and Megadonichthys kurikae The first fossils of young placoderms ever discovered were found in the Gauja formation. Ranging in size from...

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Gymnotrachelus
Selasa, 2026-05-19 01:29:17

Gymnotrachelus is an extinct monospecific genus of large selenosteid arthrodire placoderm of the Late Devonian known from the Late Famennian Cleveland Shale of...

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List of the Paleozoic life of Virginia
Jumat, 2026-03-13 12:57:45

Life restoration of the Late Devonian placoderm fish Bothriolepis...

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Wee Jasper, New South Wales
Jumat, 2026-03-13 16:31:11

including members of the Acanthothoracid placoderm fish family Weejasperaspididae, the primitive placoderm Brindabellaspis stensioi and the prehistoric...

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List of the prehistoric life of Iowa
Jumat, 2026-02-20 23:58:13

Life restoration of the Late Devonian placoderm fish Ptyctodus...

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Paraconodontida
Sabtu, 2026-03-07 10:57:13

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Protitanichthys
Selasa, 2026-05-19 01:54:20

Protitanichthys is an extinct genus of comparatively large coccosteid arthrodire placoderms from the Middle Devonian of the eastern United States. Fossils are found...

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Driscollaspis
Rabu, 2025-10-01 03:36:24

Driscollaspis is an extinct genus of selenosteid that lived during the Late Devonian epoch. Driscollapsis pankowskiorum is known from fossils discovered...

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Amazinyomakhulu
Selasa, 2026-04-21 10:14:55

Animals documented from Waterloo include lampreys, a diverse assortment of placoderms, acanthodians and other cartilaginous fish, and bony fish including actinopterygians...

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Paraplesiobatis
Senin, 2025-11-24 12:14:46

Paraplesiobatis heinrichsi is a lightly armored pseudopetalichthyid placoderm from the Hunsrückschiefer Lagerstätte of Early Devonian Germany. The type...

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Palaeoniscoid
Senin, 2026-05-18 07:50:00

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Gavini
Senin, 2024-09-30 23:15:10

Bonapartist politician Weejasperaspis gavini, an extinct acanthothoracid placoderm found in the eastern Victoria, Australia 21515 Gavini, a minor planet...

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2025 in paleontology
Senin, 2026-06-01 00:46:15

describe trace fossils on placoderm bones from the Devonian strata in Poland, interpreted as produced by scavengers feeding on placoderm carcasses. A monobathrid...

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Mandageria
Rabu, 2025-05-28 16:00:13

joint, an otherwise uncommon feature among fish - Tiktaalik, Tarrasius, placoderms (esp. Arthrodira) and seahorses being other exceptions. Age of Fishes...

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Kendrickichthys
Jumat, 2026-04-24 12:58:01

Kendrickichthys is an extinct monospecific genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period. Fossils are found...

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Christian Heinrich Pander
Jumat, 2026-05-08 09:22:46

Petersburg, (1856). Ueber die Placodermen des devonischen Systems, (On placoderms of the Devonian system), 1857. Über die ctenodopterinen des devonischen...

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Tungsenia
Selasa, 2026-02-17 03:19:23

high diversity in the jawless fish group Galeaspida along with early Placoderms along with lobe-finned fish. Lu, Jing; Zhu, Min; Long, John A.; Zhao,...

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Doryaspis
Rabu, 2026-05-13 06:33:31

thelodonts are all known from the formation, as are jawed fish including placoderms, acanthodians, and lobe-finned fish. Pycnosteus, a psammosteid heterostracan...

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Geology of Hong Kong
Jumat, 2026-03-06 10:11:44

Devonian period (~420 Mya) which is marked by the discovery of fragmentary placoderm (a Devonian fish) fossils in northeast Hong Kong. While the youngest rocks...

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Incisoscutoidea
Jumat, 2026-04-24 12:57:57

Incisoscutoidea is an extinct superfamily of arthrodire placoderms that lived during the Devonian period. Eubrachythoraci is divided into the sister clades...

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Cobandrahlepis
Kamis, 2024-04-04 17:06:58

extinct genus of phyllolepid placoderm found in New South Wales, Australia. Young, Gavin C. (2005). "New phyllolepids (placoderm fishes) from the Middle-Late...

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Narrominaspis
Jumat, 2026-04-24 12:55:30

Narrominaspis longi is an extinct buchanosteid arthrodire placoderm. Its fossils, and those of the acanthothoracid, Connemarraspis, have been found in...

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Taxonomy of commonly fossilised invertebrates
Rabu, 2025-11-05 03:49:34

Vertebrates such as hagfishes, lampreys, conodonts [†], ostracoderms [†], placoderms [†], sharks, ray-finned fishes, lobe-finned fishes, amphibians, reptiles...

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Canowindra
Jumat, 2026-05-08 17:12:12

pool of water that dried up, stranding a school of armoured antiarch placoderms in the species Remigolepis walkeri and Bothriolepis yeungae. Other important...

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H. gouldii
Jumat, 2011-10-07 00:59:28

moth species in the genus Hapalotis Heintzichthys gouldii, an extinct placoderm fish species that lived what is now Europe and North America during the...

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Ptyctodus
Senin, 2026-04-27 04:25:27

Asterosteus Bolivosteus Gemuendina Jagorina Nefudina Ohioaspis "maxillate placoderms" Bianchengichthys Entelognathus Qilinyu Silurolepis? Incertae sedis Brindabellaspis...

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Silurolepis
Senin, 2026-01-12 22:04:47

Silurolepis platydorsalis is a species of Silurian-aged "maxillate" early placoderm that has been described from (mostly) articulated remains. Although it...

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Actinolepidae
Kamis, 2026-05-21 08:06:29

Actinolepidae is an extinct family of placoderm fishes which lived during the Early Devonian period. They are considered to be among the most primitive...

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Errol White
Senin, 2025-10-27 03:50:27

1962 and the Linnean Gold Medal in 1970. A genus of Devonian arthrodire placoderm fish, Errolosteus, a genus of Carboniferous actinopterygian fish, Whiteichthys...

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Dinichthyloidea
Minggu, 2026-05-17 23:25:39

The Dinichthyloidea is an extinct superfamily of placoderms, armored fish most diverse during the Devonian. However, the term is no longer in use, as modern...

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Waaipoort Formation
Minggu, 2025-12-28 00:58:31

mostly of paleoniscoids, is a large divergence from the predominantly placoderm- and sarcopterygian- dominated faunas of previous Witteberg Group formations...

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Aspinothoracidi
Jumat, 2026-04-24 12:57:05

Aspinothoracidi is a clade of placoderms, extinct armored fish most diverse during the Devonian. The gigantic apex predator Dinichthys, is the best-known...

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Climatiiformes
Senin, 2025-12-29 00:19:12

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Xenacanthiformes
Senin, 2026-02-09 12:37:47

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Yunnanolepis
Selasa, 2026-01-06 10:30:25

Yunnanolepis is an extinct genus of primitive antiarch placoderm. The fossils of the various species are found in Early to Middle Devonian strata in Southern...

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Grenfell fossil site
Kamis, 2025-09-11 03:56:27

for Devonian fossils in New South Wales, containing a diverse range of placoderm, acanthodian and sarcopterygian fishes. The fossils are found in the Hunter...

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Bullerichthys
Jumat, 2026-04-24 12:57:13

Bullerichthys is an extinct monospecific genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period. Fossils are found in...

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Galeaspida
Senin, 2026-05-18 07:29:59

Devonian, found in association with the tetrapod Sinostega and the antiarch placoderm Remigolepis, in strata from the Northern Chinese province of Ningxia....

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Ted Daeschler
Rabu, 2024-06-19 06:35:57

Daeschler, E. B., A. Frumes and C. F. Mullison. 2003. Groenlandaspidid placoderm fishes from Late Devonian of North America. Records of the Australian...

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Paleontology in Ohio
Minggu, 2025-06-08 18:39:06

appeared in the Middle Devonian, such as the armoured fish known as the placoderms, like the giant apex predator Dunkleosteus. True land plants also appeared...

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List of the prehistoric life of Missouri
Sabtu, 2025-06-14 16:49:10

Life restoration of the Late Devonian placoderm fish Ptyctodus...

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Meemann Chang
Senin, 2026-05-11 10:23:17

Meemannavis ductrix. There is also a unique organ of yunnanolepid antiarch placoderms named "Chang's Apparatus" after her. Elliott, David K.; Maisey, John G...

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Baringaspis
Jumat, 2026-04-24 12:54:04

Baringaspis is an extinct monospecific genus of arthrodire placoderm fish from the Early Devonian period. The type species Baringaspis dineleyi was described...

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Pycnodontiformes
Senin, 2026-02-09 10:22:23

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Cape Fold Belt
Senin, 2025-09-22 18:02:27

the extinct blastoids and cystoids), foraminifera and fish with jaws (placoderms). The upper layers of the Bokkeveld Group become increasingly more sandy...

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Radotina
Senin, 2026-04-27 18:42:35

Radotina is an extinct genus of placoderm from the early Devonian of Europe. Paleontology portal Dinosaurs to Dodos: An Encyclopedia of Extinct Animals...

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Hybodontiformes
Sabtu, 2026-04-25 06:18:43

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Bolivosteus
Rabu, 2026-02-18 08:53:48

Bolivosteus chacomensis is a rhenanid placoderm from the Eifelian of Bolivia, and is the only placoderm known from the “Malvinokaffric” invertebrate faunas...

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Sea Monsters (TV series)
Senin, 2026-06-01 03:49:50

Stethacanthus and the placoderm Bothriolepis and he uses a rounded shark cage to protect himself from the giant predatory placoderm Dunkleosteus. 2 "Into...

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Doliodus
Senin, 2026-06-01 12:59:08

sequence of chondrichthyan evolution, due to it sharing features with placoderm fishes. Specific layers of the Campbellton Formation which preserve Doliodus...

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Panxiosteus
Jumat, 2026-04-24 12:58:23

Panxiosteus is an extinct monospecific genus of placoderm arthrodire from the Middle Devonian: Givetian stage of Yunnan province, China. Panxiosteus is...

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Boyle Group
Rabu, 2026-04-22 20:47:23

Ordovician to Silurian aged strata. The Kiddville bone bed contains, placoderm bones, which are common throughout this layer, sharks teeth. This bed...

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Trematosteus
Jumat, 2026-04-24 12:58:41

Trematosteus is an extinct monospecific genus of arthrodire placoderm from the Late Frasnian stage of the Late Devonian period. Fossils are found from...

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Prearticular
Senin, 2026-05-18 10:30:44

"The evolution of vertebrate dermal jaw bones in the light of maxillate placoderms". In Johanson, Zerina; Underwood, Charlie; Richter, Martha (eds.). Evolution...

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Microbrachiidae
Selasa, 2026-05-19 01:58:48

Microbrachiidae is an extinct family of tiny, advanced antiarch placoderms closely related to the bothriolepidids. Although most species are known from...

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Cavanosteus
Jumat, 2026-04-24 12:54:20

Information Facility. Gavin C. Young (January 2004). "A homostiid arthrodire (placoderm fish) from the Early Devonian of the Burrinjuck area, New South Wales"...

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Wuttagoonaspis
Senin, 2026-05-18 08:45:47

Wuttagoonaspis is an extinct genus of primitive arthrodire placoderm fish from the Middle Devonian of Australia. The box-like skull is up to 18 centimeters...

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Simosteus
Kamis, 2026-05-21 14:53:06

Simosteus tuberculatus is a small arthrodire placoderm from the Gogo Formation of Western Australia. Unlike other members of the arthrodire family Camuropiscidae...

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Paleontology in Wisconsin
Sabtu, 2026-05-16 12:01:43

crinoids, blastoids, edrioasteroids, graptolites, conodont elements, fishes (placoderms, sharks, acanthodians, sarcopterygians), terrestrial fungi, and land plants...

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Phyllolepis
Jumat, 2026-04-24 12:55:46

gill arches. Elongated basiptergia have been found on some phyllolepid placoderms, such as Austrophyllolepis and Cowralepis, suggesting Phyllolepis may...

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List of the prehistoric life of Virginia
Selasa, 2026-01-13 05:39:26

Life restoration of the Late Devonian placoderm fish Bothriolepis...

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Ornithoprion
Sabtu, 2026-05-02 06:31:01

Szrek, Piotr; Klug, Christian (2024). "Extreme lower jaw elongation in a placoderm reflects high disparity and modularity in early vertebrate evolution"...

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Arctolepis
Selasa, 2023-05-02 03:56:23

Arctolepis is an extinct genus of placoderm arthrodire fish which lived during the Early Devonian period (408 – 307 million years ago). Fossils of Arctolepis...

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Brian G. Gardiner (biologist)
Sabtu, 2025-06-14 11:56:22

California Press. p. 256. Gardiner, B G (1984). "The relationship of placoderms". Journal of Vertebrate Paleontology. 4 (3): 379–395. Bibcode:1984JVPal...

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Dhanguura
Jumat, 2026-04-24 12:54:26

brachythoracid. Young, G. C. (2004). "Large brachythoracid arthrodires (placoderm fishes) from the Early Devonian of Wee Jasper, New South Wales, Australia...

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Lehmanosteus
Jumat, 2026-04-24 12:55:16

Lehmanosteus is an extinct monospecific genus of arthrodire placoderm fish, named after French paleontologist Jean-Pierre Lehman. The type species Lehmanosteus...

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Shimenolepis
Jumat, 2025-09-19 12:53:14

(2023-01-03). "A novel specimen-based mid-Paleozoic dataset of antiarch placoderms (the most basal jawed vertebrates)". Earth System Science Data. 15 (1):...

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Angarichthys
Minggu, 2025-02-09 07:54:05

Angarichthys hyperboreus is an extinct homostiid arthrodire placoderm from the Middle Devonian (either upper Eifelian or lower Givetian) of Siberia. It...

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Harrytoombsia
Jumat, 2026-04-24 12:57:45

Harrytoombsia is an extinct genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period. Fossils are found from Kimberley...

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Carolowilhelmina
Jumat, 2026-04-24 12:56:37

Carolowilhelmina geognostica is an extinct arthrodire placoderm fish that lived in the Late Eifelian epoch (of Middle Devonian) of Aragon, Spain. In life...

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Pucapampella
Selasa, 2026-02-17 15:38:05

which sat near the South Pole. In contrast to other regions at that time placoderms were largely absent, with the exception of Bolivosteus. It is likely that...

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Floresta Formation
Senin, 2026-04-27 03:05:49

bivalves have been found in the Floresta Formation. Some fragments of Placoderm fish fossils were found in the Floresta Formation, while the overlying...

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Tapinosteus
Jumat, 2026-04-24 12:58:31

Tapinosteus is an extinct monospecific genus of arthrodire placoderm from the Late Frasnian stage of the Late Devonian period. Fossils are found from...

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Actinolepis
Kamis, 2018-02-22 15:59:56

Asteraceae, currently considered a synonym of Eriophyllum Actinolepis (placoderm), a genus of prehistoric fish in the family Actinolepidae This disambiguation...

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Campbellton Formation
Rabu, 2025-12-03 20:28:46

Placoderms Genus Species Presence Material Notes Images Phlyctaenius P. acadicus Fragments of exoskeleton and dermal plates. A phlyctaeniid. P. atholi...

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Yiminaspis
Senin, 2026-05-18 08:45:51

Yiminaspis is an extinct monospecific genus of primitive arthrodire placoderm fish from Emsian-aged marine strata in Yunnan, China. The type species Yiminaspis...

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List of marine bony fishes of South Africa
Selasa, 2025-08-05 17:41:57

contrasted with the Chondrichthyes (cartilaginous fish) and the extinct placoderms and acanthodians, which have endoskeletons primarily composed of cartilage...

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Bruntonichthys
Jumat, 2026-04-24 12:57:09

Bruntonichthys is an extinct monospecific genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period. Fossils are found in...

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Bradyodonti
Jumat, 2026-03-27 05:39:00

closer to living cartilaginous fishes and some descended from unrelated placoderms. This view has not been supported by subsequent authors, who continue...

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Miracle Planet
Minggu, 2025-06-08 13:46:38

Carboniferous. Animals included: Eusthenopteron, Dunkleosteus (identified as a placoderm), Acanthostega, Hyneria, Pederpes, Dinocephalian, Gorgonops, Diictodon...

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Charles R. Eastman
Senin, 2025-05-26 13:29:10

Pittsburgh's Carnegie Museum. His early studies and interests included the placoderms. While in Germany he examined a collection of fossil teeth from the "Chalk...

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Rhinosteus
Selasa, 2026-05-19 01:32:33

Rhinosteus is an extinct genus of small to medium selenosteid arthrodire placoderms of the Late Devonian known from the Upper Frasnian Kellwasserkalk facies...

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Rhachiosteus
Jumat, 2026-04-24 12:58:29

Rhachiosteus is an extinct monospecific genus of arthrodire placoderm from the Middle to Late Devonian of Germany. It is known only from a single specimen...

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D. gracilis
Minggu, 2018-12-23 00:33:30

Dinichthys gracilis, a synonym for Heintzichthys gouldii, an extinct placoderm fish species of the Devonian Drosera gracilis, a synonym for Drosera peltata...

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Jagorina
Rabu, 2023-03-08 10:38:24

Jagorina pandora is a rhenanid placoderm of Upper Frasnian Germany. As with other rhenanids, it was a flattened, skate-like fish protected in an armor...

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Karl Rouillier
Rabu, 2026-04-29 23:15:07

supposed bryozoan from the Moscow Jurassic. He however identified it as a placoderm fish and gave the name Bothriolepis jurensis Rouillier, 1847. Later, Trautschold...

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Cuche Formation
Senin, 2026-04-27 03:05:04

been described. Remains of the cartilaginous fish Antarctilamna sp., the Placoderms Asterolepis sp. and two species of Bothriolepis, the spiny shark ?Cheiracanthoides...

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Yinostius
Selasa, 2026-05-19 02:45:09

Yinostius is an extinct genus of heterosteid placoderm of the Middle Devonian known from remains discovered in China. This genus is known from Emsian-aged...

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Hugh Miller
Kamis, 2026-05-28 08:44:14

was named in his honour), and many Devonian fishes, including several placoderms (the arthrodire Millerosteus also honoured him), described in his popular...

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Neopetalichthys
Rabu, 2026-03-04 08:47:22

Neopetalichthys yenmenpaensis is an extinct petalichthid placoderm from the Early Devonian of China. The holotype and only known specimen is a poorly...

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Hadrosteus
Jumat, 2026-04-24 12:57:43

Hadrosteus is an extinct monospecific genus of large arthrodire placoderm from the Late Frasnian (Late Devonian) Kellwasserkalk facies of Bad Wildungen...

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Tubonasus
Selasa, 2026-05-19 01:23:49

"tube nose") is an extinct monospecific genus of long-snouted arthrodire placoderm from the Early Frasnian stage of the Late Devonian period, found at the...

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Tujiaaspis
Jumat, 2026-05-08 11:35:53

Tujiaaspis holotype. Other known vertebrates from that formation include the placoderm Xiushanosteus and the cartilaginous fish Shenacanthus, which shared the...

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Lost Burro Formation
Sabtu, 2026-05-02 00:09:57

formation in Death Valley National Park have produced fossils of the placoderm Dunkleosteus terrelli, a small cladodont shark, the crushing tooth of...

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Coccosteina
Minggu, 2026-05-17 23:25:35

Coccosteina is an extinct infraorder of placoderms, armored fish most diverse during the Devonian. However, the term is no longer in use, as modern cladistical...

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Eskimaspis
Jumat, 2026-04-24 12:54:40

Eskimaspis is an extinct monospecific genus of arthrodire placoderm fish from the Early Devonian period. The type species Eskimaspis heintzi was described...

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Fallacosteus
Selasa, 2026-05-19 01:23:41

Fallacosteus is an extinct monospecific genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period, found at the Gogo Formation...

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Qianodus
Senin, 2026-01-12 22:22:54

osteichthyans and chondrichthyans, but have not been reported in their placoderm ancestors. The proposed for Qianodus whorl-based dentition is a derived...

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Sam Giles
Senin, 2026-01-12 22:03:48

relationships of early fishes, including various extinct groups such as placoderms and the divergence of chondrichthyans (cartilaginous fish) and osteichthyans...

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Reeve's Bonebed
Jumat, 2023-05-05 07:47:26

assigned include: gastropods (snails) testudinata (turtles) Pholidosteids (Placoderms, armored fish) Reeve's Bonebed is known for the recovery of casts of the...

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Jean-Pierre Lehman
Senin, 2026-03-09 21:54:19

and the Devonian arthrodire placoderm fish Lehmanosteus are named in his honour. Lehman named the iconic Devonian placoderm Dunkleosteus in 1956. He also...

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Minjinia
Selasa, 2025-04-22 05:32:27

Minjinia turgenensis is a species of placoderm from the Devonian of Mongolia. It is known from a single specimen preserving part of the skull, including...

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Tianjin Natural History Museum
Senin, 2025-11-24 01:12:19

features modern and prehistoric sea life, such as icthyosaurs, sharks, placoderms, and octopodes, as well as many modern and prehistoric examples of underwater...

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Canowindra grossi
Senin, 2025-03-31 11:54:35

grossi Temporal range: Late Devonian C. grossi, surrounded by antiarch placoderms Remigolepis walkeri and Bothriolepis yeungae. Cast. Mandagery Sandstone...

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List of long species names
Senin, 2026-06-01 23:46:55

liaojiaoshanensis P'an & Wang, 1978 - order Petalichthyida. A fossil placoderm fish from the Early Devonian of China. It is named after Liaojiaoshan...

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Hynerpeton
Senin, 2026-06-01 21:36:41

fauna. The waterways were inhabited by a large variety of fish. Benthic placoderms such as the rare Phyllolepis, the common Groenlandaspis, and the abundant...

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Psammosteida
Jumat, 2025-09-05 22:28:28

Marek (2019). "Revision of the Early Devonian psammosteids from the "Placoderm Sandstone": Implications for their body shape reconstruction" (PDF). Palaeontologia...

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Pimenteira Formation
Minggu, 2025-09-21 16:01:30

indet. Picos Member. Dermal plates of an unidentified groenlandaspidid placoderm. Machaeracanthus M. sp. Picos Member. An acanthodian fish. Xenacanth indet...

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Heterogaspis
Jumat, 2026-04-24 12:54:58

Heterogaspis is an extinct genus of placoderm that lived during the Late Devonian period of Spitsbergen, Norway. Camp, Charles Lewis (1940). Bibliography...

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Fedor Jagor
Minggu, 2026-03-01 14:21:24

Trumpet-eared Bat, Phoniscus jagorii W. Peters, 1866 Late Devonian rhenanid placoderm, Jagorina pandora O. Jaekel, 1921 "Fedor Jagor". German Wikipedia. Retrieved...

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Lyhoalepis
Jumat, 2026-04-24 12:55:18

Lyhoalepis duckhoai is an arthrodire placoderm fish, which lived during the Early Devonian period in what is now Central Vietnam. Its fossils are found...

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Diplognathus
Jumat, 2026-04-24 12:56:39

Diplognathus is a genus of arthrodire placoderm from the Late Famennian Cleveland Shale of Late Devonian Ohio, known only from incomplete fragments of...

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Deinodus
Kamis, 2025-11-06 06:01:11

widest point, and are different in appearance from those reported in other placoderms (Long, 1997). The variety of shapes probably represents function rather...

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Cowralepis
Senin, 2025-11-24 09:33:11

Cowralepis is an extinct genus of phyllolepid placoderm of Givetian Cowra, New South Wales, and several juveniles of various stages of growth have also...

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Canadensis
Rabu, 2024-12-18 01:08:18

anomalous shrimp Bothriolepis canadensis, a Late Devonian species of placoderm fish Brachylophosaurus canadensis, a mid-sized member of the hadrosaurid...

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List of lagerstätten
Kamis, 2026-06-04 03:37:31

Sébastien; Clément, Gaël; Daeschler, Edward B.; Dupret, Vincent (2016-08-23). "Placoderm Assemblage from the Tetrapod-Bearing Locality of Strud (Belgium, Upper...

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Exutaspis
Jumat, 2026-04-24 12:54:42

Exutaspis megista is an extinct, "giant" buchanosteid arthrodire placoderm. Its fossils have been found in the Late Emsian-aged marine strata of the Jiucheng...

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Westralichthys
Jumat, 2026-04-24 12:58:43

This article about a placoderm is a stub. You can help Wikipedia by adding missing information....

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List of the Paleozoic life of Iowa
Jumat, 2026-03-13 12:57:27

Life restoration of the Late Devonian placoderm fish Ptyctodus...

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Cathlesichthys
Jumat, 2026-04-24 12:54:18

around 20 cm. Young, Gavin C. (2004). "Large brachythoracid arthrodires (Placoderm fishes) from the early Devonian of Wee Jasper, New South Wales, Australia...

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Campbellodus
Senin, 2026-04-27 04:25:15

Campbellodus decipiens is an extinct ptyctodontid placoderm fish that lived around 380 million years ago (Late Devonian). Its fossil remains have been...

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Wufengshania
Jumat, 2022-04-22 10:12:31

group of Vietnamaspis. List of placoderms Zhaohui Pan; Min Zhu; You’An Zhu; Liantao Jia (2018). "A new antiarch placoderm from the Emsian (Early Devonian)...

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Alex Ritchie
Senin, 2025-12-15 12:32:12

which he subsequently identified as Groenlandaspis a Devonian freshwater placoderm that had been found in Greenland in 1929-1931. The site where many of...

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Antarctaspis
Sabtu, 2024-07-20 06:00:03

"Antarctica's shield") is an extinct monospecific genus of arthrodire placoderm fish which existed in Antarctica during the Givetian age of the Devonian...

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Rhamphodopsis
Senin, 2026-04-27 04:25:29

Rhamphodopsis is a genus of extinct ptyctodont placoderm from the Middle Devonian Old Red Sandstone of Scotland. There are two species of Rhamphodopsis...

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Placolepis
Kamis, 2024-08-01 00:32:18

Placolepis is an extinct genus of phyllolepid placoderm first discovered in New South Wales. Placolepis was the most widespread phyllolepid genus, with...

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Mizia
Sabtu, 2023-01-14 21:48:22

Mizia is a genus of primitive antiarch placoderm found in Emsian-aged marine strata of Early Devonian China. The only known specimen is of a mostly complete...

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Heintzosteus
Jumat, 2026-04-24 12:57:47

Heintzosteus is an extinct genus of placoderm arthrodire fish, which lived during the Late Devonian period in Spitsbergen, Norway.[citation needed] Within...

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Paleolophus
Kamis, 2026-04-23 07:56:44

high diversity in the jawless fish group Galeaspida along with early Placoderms and lobe-finned fish. Qiao, Tuo; Cui, Xindong; Zhao, Wenjin; Liu, Chengxi;...

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Orcadian Basin
Jumat, 2026-05-01 10:23:46

least one example of all the following groups have been found there. placoderms acanthodians actinopterygians porolepiforms osteolepiforms dipnoans Very...

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Antineosteus
Jumat, 2026-04-24 12:53:54

Vaškaninová, V.; Kraft, P. (2014-06-09). "The largest Lower Devonian placoderm - Antineosteus rufus sp. nov. from the Barrandian area (Czech Republic)"...

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Remigolepis
Jumat, 2025-10-03 14:53:49

Remigolepis is a genus of antiarch placoderm from Devonian. Species are described from East Greenland, China, Tula region of Russia, Kyrgyzstan, Australia...

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Arabosteus
Rabu, 2025-04-16 18:35:51

Arabosteus is an extinct genus of palaecanthaspid placoderm that inhabited what is now Saudi Arabia during the Early Devonian epoch. Its only species...

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John A. Long
Jumat, 2026-05-22 08:07:18

exceptional preservation of fossils of this age. One of Long's discoveries, the placoderm Mcnamaraspis, made history by becoming Australia's first official state...

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Palaeomylus
Senin, 2026-04-27 04:25:25

Palaeomylus (meaning 'ancient grinder') is an extinct Devonian ptychodontid placoderm fish. There are seven species accepted in this genus: Palaeomylus hussakofi...

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Torosteus
Selasa, 2026-05-19 03:18:30

Torosteus is an extinct genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period. Fossils are found in the Kimberley region...

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Panxiosteidae
Selasa, 2026-05-19 04:13:33

Panxiosteidae is an extinct family of arthrodire placoderms that lived during the Devonian period. The family Panxiosteidae was erected by Wang in 1979...

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Yahatinda Formation
Rabu, 2025-07-30 07:35:44

Not many fossils have been found within the Yahatinda Formation though placoderms, lobe-finned fish, and jawless fish have been found. Two distinct environments...

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Evolution of tetrapods
Senin, 2026-01-12 07:30:01

Devonian fishes, including an early shark Cladoselache, Eusthenopteron and other lobe-finned fishes, and the placoderm Bothriolepis (Joseph Smit, 1905)....

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Quasipetalichthyidae
Kamis, 2026-05-21 15:27:57

Quasipetalichthyidae is an extinct family of primitive petalichthyid placoderms from Givetian-aged marine strata of Yunnan, China, and possibly Vietnam...

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Heintzichthys
Senin, 2026-05-18 21:41:43

Heintzichthys is an extinct monospecific genus of arthrodire placoderm that lived what is now Europe and North America during the Famennian stage of the...

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Prioniodontida
Kamis, 2023-01-12 08:50:58

†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...

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Pseudopetalichthys
Senin, 2025-11-24 12:17:19

Pseudopetalichthys problematica is a lightly armored pseudopetalichthyid placoderm from the Hunsrückschiefer Lagerstätte of Early Devonian Germany. The holotype...

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List of the Paleozoic life of Pennsylvania
Sabtu, 2026-03-07 11:31:20

Fossilized bony armor of the Late Devonian placoderm fish Bothriolepis...

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Taemasosteus
Jumat, 2026-04-24 12:56:14

Taemasosteus is an extinct genus of arthrodire placoderm. Its fossils have been found in Emsian-aged marine strata in New South Wales, Australia. It contains...

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Synauchenia
Minggu, 2024-01-07 00:08:58

and Brachydeirus, and accordingly placed within Brachydeiridae. List of placoderms Denison, Robert (1978). Handbook of Paleoichthyology, Volume 2, Placodermi...

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Bokkeveld Group
Jumat, 2025-06-27 08:01:22

Rare bony fish fossils have also been found, mainly of placoderm fishes, although placoderm fish are mainly known from rocks of the overlying Witteberg...

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Aethaspis
Sabtu, 2024-07-20 05:59:44

Aethaspis is an extinct genus of arthrodire placoderm fish from the Devonian period. Two species were described by Denison in 1958: Aethapsis major and...

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Eugeneodontidae
Senin, 2026-05-18 03:39:50

paleoecological constraints on paleozoic vertebrates (chondrichthyans and placoderms) in the Ardenne Massif Shark radiations in the Famennian on both sides...

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Arctaspis
Selasa, 2026-05-12 17:07:20

Arctaspis is an extinct genus of placoderm fish, which lived during the Devonian period in what is now Norway. Camp, Charles Lewis (1940). Bibliography...

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Selenosteus
Kamis, 2026-04-09 21:07:46

Selenosteus brevis is an extinct large selenosteid arthrodire placoderm known from the Famennian Cleveland Shale of Ohio. Scrappy remains from the Frasnian...

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Belemnacanthus
Kamis, 2026-02-19 14:58:39

arrow-spine") is a large, extinct, barrel-shaped holonematid arthrodire placoderm from Givetian-aged strata of Middle Devonian Eifel, Germany. B. giganteus...

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Camuropiscis
Selasa, 2026-05-19 01:23:45

Camuropiscis is an extinct genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period, found at the Gogo Formation of Kimberley...

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Errolosteus
Jumat, 2026-04-24 12:54:36

Errolosteus goodradigbeensis is an extinct buchanosteid arthrodire placoderm. Its fossils have been found in Emsian-aged marine strata of New South Wales...

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Os opticus
Selasa, 2026-01-13 10:30:20

similar but likely non-homologous structure has been found in the fossil placoderm fish Dunkleosteus. The os opticus reinforces the posterior of the eyeball...

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Anarthraspis
Jumat, 2026-04-24 12:57:01

Anarthraspis is an extinct genus of arthrodire placoderm fishes which lived during the Early Devonian period. It contains two species described in 1932...

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Walterosteus
Jumat, 2026-04-24 12:56:28

Walterosteus is an extinct genus of small selenosteid arthrodire placoderms known from the Upper Frasnian Kellwasserkalk facies of Late Devonian Germany...

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Brachyosteus
Selasa, 2026-05-19 03:18:46

Brachyosteus is an extinct genus of arthrodire placoderm from the Late Frasnian stage of the Late Devonian period. Fossils are found from Bad Wildungen...

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Austrophyllolepis
Rabu, 2025-04-30 07:00:46

Austrophyllolepis is an extinct genus of phyllolepid arthrodire placoderm from Middle to Late Devonian freshwater strata of Australia. The type species...

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Austroptyctodus
Senin, 2026-04-27 04:25:13

Austroptyctodus gardineri is a small ptyctodontid placoderm fish from the Upper Devonian Gogo Formation of Western Australia. First described by Miles...

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Turrisaspis
Jumat, 2026-04-24 12:56:26

Turrisaspis is an extinct genus of groenlandaspid arthrodire placoderm . It is known only from trunk fragments from the Catskill Formation from the Upper...

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Coccosteomorphi
Jumat, 2026-04-24 12:57:21

Coccosteomorphi is an extinct clade of arthrodire placoderms within the Eubrachythoraci (of the suborder Brachythoraci), armored fish most diverse during...

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Brochoadmones
Jumat, 2026-01-30 05:56:20

Jia, Liantao; Blom, Henning; Zhu, You’an (October 2013). "A Silurian placoderm with osteichthyan-like marginal jaw bones". Nature. 502 (7470): 188–193...

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Pauropetalichthys
Selasa, 2025-06-17 00:04:51

Min; Zhu, You’an; Jia, Liantao (31 March 2015). "A new petalichthyid placoderm from the Early Devonian of Yunnan, China". Comptes Rendus Palevol. 14...

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Herasmius
Selasa, 2026-05-19 02:45:13

Herasmius is an extinct genus of heterosteid placoderm from the Devonian period. Fossils have been discovered freshwater deposits in Norway and Canada...

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Brachydeiroidea
Minggu, 2026-04-19 22:52:20

Brachydeiroidea is a superfamily of small to moderately large-sized arthrodire placoderms from the Late Devonian of Europe and Eastern North America. Brachydeiroids...

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Parabuchanosteus
Jumat, 2026-04-24 12:55:42

Parabuchanosteus murrumbidgeensis is an extinct buchanosteid arthrodire placoderm. Its fossils have been found in the Late Emsian-aged marine strata of...

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Goodradigbeeon
Jumat, 2026-04-24 12:54:48

Goodradigbeeon is an extinct genus of buchanosteid arthrodire placoderm. Its fossils have been found in Emsian-aged marine strata from the Taemas-Wee...

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Buchanosteus
Jumat, 2026-04-24 12:54:10

Buchanosteus is an extinct genus of arthrodire placoderm. Its fossils have been found in Early Devonian-aged marine strata throughout Asia and Australia...

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Rhenonema
Jumat, 2026-04-24 12:56:02

thread of Eifel") is a large, extinct, high-crested holonematid arthrodire placoderm from Givetian-aged strata of Middle Devonian Gerolstein, Germany. It is...

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Stenosteus
Selasa, 2026-05-19 01:29:13

an extinct monospecific genus of medium-sized selenosteid arthrodire placoderms of the Late Devonian period known from the Upper Famennian Cleveland Shale...

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Phyllolepididae
Kamis, 2026-05-21 14:59:57

of two families of phyllolepid placoderms. The family, as a whole, is believed to be descended from the Chinese placoderm, Gavinaspis (which forms the other...

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Ignacio Formation
Rabu, 2025-07-02 08:18:20

Ordovician zircon grain in the formation and the presence well-dated placoderm fish plates. This conclusion has been shared by some subsequent researchers...

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Atlantidosteus
Jumat, 2026-04-24 12:54:02

This article about a placoderm is a stub. You can help Wikipedia by adding missing information....

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Simblaspis
Jumat, 2026-04-24 12:56:10

Simblaspis is an extinct monospecific genus of arthrodire placoderm fish of the Early Devonian period. The type species Aleosteus eganensis was described...

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Yurammia
Rabu, 2026-03-11 04:45:42

Yurammia is a placoderm from what is now the Pambula River in New South Wales. Unlike all other known phyllolepids, Yurammia's plates had no external...

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Zhanjilepis
Kamis, 2021-04-29 19:42:39

Zhanjilepis aspartilis is an extinct yunnanolepid placoderm from Pridoli and Lochkovian rocks of Hunan, China. Zhanjilepis is known only from distinctively...

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Belén Formation
Jumat, 2026-04-24 21:43:35

taxon Notes Images Bolivosteus B. chacomensis Asterosteidae Only known placoderm from the Malvinokaffric realm Pucapampella P. rodrigae Stem-Chondrichthyes...

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Draconichthys
Minggu, 2024-01-07 00:17:48

millimetres in length. RÜCKLIN, MARTIN (January 14, 2011). "First selenosteid placoderms from the eastern Anti-Atlas of Morocco; osteology, phylogeny and palaeogeographical...

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Xujiachong Formation
Jumat, 2026-02-06 23:37:23

Guorui, Z. (5 December 1992). "The Sinolepidae, a family of antiarchs (placoderm fishes) from the Devonian of South China and eastern Australia". Records...

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Phymosteus
Jumat, 2026-04-24 12:56:45

Phymosteus liui is an extinct large selenosteid arthrodire placoderm known from the Lower Famennian Xiejingshi Formation of Shimen County, Hunan province...

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List of the Paleozoic life of Ohio
Sabtu, 2026-03-07 11:31:17

Life restoration of the Late Devonian placoderm fish Dunkleosteus...

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Elegantaspis
Jumat, 2026-01-30 12:25:46

Elegantaspis reticornis is an arthrodire placoderm fish, which lived during the Early Devonian period in Spitsbergen, Norway. Bibliography of Fossil Vertebrates...

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Neophlyctaenius
Jumat, 2026-04-24 12:55:32

Neophlyctaenius is an extinct genus of placoderm fish, which lived during the Late Devonian period of North America. Long, John A.; Young, Gavin C. (2014-06-16)...

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Waterloo Farm lagerstätte
Sabtu, 2026-02-07 02:10:31

Taylor, more material was found including remains of large armour-plated (placoderm) fish, later identified as Africa's only known species of Bothriolepis...

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Cosmacanthus
Jumat, 2026-04-24 12:54:24

Cosmacanthus is an extinct genus of placoderms in the extinct family Groenlandaspididae that lived during the Late Devonian in Ireland, the UK, Russia...

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Phymolepis
Jumat, 2026-02-27 13:53:30

Phymolepis is an extinct genus of yunnanolepidid placoderm from the Early Devonian of China. The type species, P. cuifengshanensis, was named by Zhang...

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Eurycaraspis
Sabtu, 2025-09-06 18:34:48

Eurycaraspis incilis is an extinct petalichthyid placoderm from the Middle Devonian of China. It is closely related to Quasipetalichthys. Eurycaraspis...

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Quadratojugal bone
Minggu, 2025-10-19 08:17:56

bone similar in position to the quadratojugal has been observed in the placoderm Entelognathus and some early actinopterygiians (Mimipiscis, Cheirolepis)...

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Johannaspis
Jumat, 2025-06-06 11:32:29

2020). "New genus of homostiid arthrodire contributes to the revision of placoderm diversity in the Early Devonian of the Prague Basin". Alcheringa: An Australasian...

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Mace Brown Museum of Natural History
Minggu, 2026-05-31 23:20:37

There are two large feature specimens: the head shield of a giant armored placoderm fish and a complete skeleton of a large teleost bony fish. In 2019, a...

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Heightingtonaspis
Sabtu, 2024-06-29 08:39:58

Heightingtonaspis is an extinct genus of primitive arthrodire placoderm fish from the Devonian period in Great Britain, and currently contains three species...

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Yunnanolepididae
Selasa, 2026-05-19 01:53:04

Yunnanolepididae is an extinct family of primitive Antiarch placoderms characterized by having short, broad skull roofs, and by having a feature on the...

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Buchanosteidae
Rabu, 2024-05-22 02:50:50

Buchanosteidae is a family of arthrodire placoderms that lived from the Early to Middle Devonian. Fossils appear in various strata in Russia, Central Asia...

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Yujiangolepis
Jumat, 2026-04-24 12:58:47

Yujiangolepis is an extinct monospecific genus of arthrodire placoderm fish from the Pragian stage of the Devonian period. The type species is Yujiangolepis...

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Oxyosteus
Minggu, 2024-01-07 00:11:08

Oxyosteus is a genus of trout-sized, highly compressed arthrodire placoderms from the Late Devonian of Europe: The two described species are restricted...

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Golshanichthys
Selasa, 2026-05-19 03:17:58

This article about a placoderm is a stub. You can help Wikipedia by adding missing information....

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Maideria
Kamis, 2026-05-21 15:03:03

Maideria falipoui is a long-snouted brachythoracid arthrodire placoderm from the Lower Middle Givetian epoch of Middle Devonian South Morocco, in what...

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Onychodus
Senin, 2026-05-18 08:04:39

fossil specimen of Onychodus from Western Australia was found with a placoderm fish half its length logged in its throat. This interesting find was described...

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Pageauaspis
Jumat, 2026-04-24 12:55:36

Pageauaspis is an extinct placoderm fish, which lived during the Devonian period of North America. Dupret, Vincent; Goujet, Daniel; Mark-Kurik, Elga (2007)...

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Microsteus
Minggu, 2024-01-07 01:08:35

Microsteus is an extinct genus of small selenosteid arthrodire placoderms known from the Upper Frasnian Kellwasserkalk facies of Late Devonian Germany...

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Beacon Supergroup
Senin, 2025-11-03 21:56:50

Aztec sandstone contains units bearing body fossils of fish: Phyllolepid placoderms, and thelodonts, abundant in fish beds, and conchostracans. The presence...

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Wuttagoonaspidae
Senin, 2026-05-18 08:45:43

Wuttagoonaspidae is a family of extinct primitive arthrodire placoderm fishes from Early Devonian China and Middle Devonian Australia. It contains two...

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Phlyctaenius
Jumat, 2026-04-24 12:55:44

Phlyctaenius is an extinct genus of placoderm fish, which lived during the Devonian period of New Brunswick, Canada. It was named by Traquair (1890) as...

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Ceraspis
Rabu, 2025-06-18 22:45:20

Schultze 1887 is also an extinct (and preoccupied) name for a genus of placoderm. "Ceraspis Le Peletier de Saint-Fargeau & Audinet-Serville, 1828". Catalogue...

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Braunosteus
Minggu, 2024-01-07 00:15:46

ISBN 9780895740274. RÜCKLIN, MARTIN (January 14, 2011). "First selenosteid placoderms from the eastern Anti-Atlas of Morocco; osteology, phylogeny and palaeogeographical...

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List of the Paleozoic life of Missouri
Sabtu, 2025-06-14 16:49:52

Life restoration of the Late Devonian placoderm fish Ptyctodus...

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List of fossiliferous stratigraphic units in Colombia
Senin, 2026-04-27 03:04:17

Lingula sp. Frasnian Early Givetian Floresta Fm. Platyceras aff. nodosum Placoderm fishes, Colombianaspis carvalhoae gen. et sp. nov., Schizobolus pilasiensis...

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Brachydeirus
Sabtu, 2024-05-18 01:00:34

Brachydeirus is a genus of small to moderately large-sized arthrodire placoderms from the Late Devonian of Europe, restricted to the Kellwasserkalk Fauna...

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Africanaspis
Senin, 2025-09-29 08:37:16

Africanaspis is an extinct genus of groenlandaspidid placoderm known from two species, Africanaspis doryssa, named in 1997 from fossils discovered in...

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Tropidosteus
Jumat, 2026-04-24 12:56:24

Tropidosteus curvatus is a large, extinct holonematid arthrodire placoderm from the Givetian-aged Crinoidenmergel stratum of Middle Devonian Rheinland...

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