Search Results: Placoderms
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Placoderm
Senin, 2026-05-11 22:41:54Paleontologists and placoderm specialists suspect that the scarcity of placoderms in the Silurian fossil record is due to placoderms' living in environments...
Click to read more »Dunkleosteus
Rabu, 2026-06-03 08:00:54other placoderms, may have also been among the first vertebrates to internalize egg fertilization, as seen in some modern sharks. Some other placoderms have...
Click to read more »Chondrichthyes
Rabu, 2026-06-03 01:43:32connection 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...
Click to read more »Fish
Kamis, 2026-05-28 00:18:13including 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...
Click to read more »Gnathostomata
Rabu, 2026-04-15 19:33:56that a branch of placoderms was most likely the ancestor of present-day gnathostomes. A 419-million-year-old fossil of a placoderm named Entelognathus...
Click to read more »Evolution of fish
Senin, 2026-03-23 13:09:13hinged to the thoracic armour. This allowed placoderms to lift their heads, unlike ostracoderms. Placoderms were the first jawed fish; their jaws likely...
Click to read more »Guiyu oneiros
Selasa, 2026-04-21 04:52:33conodonts as index fossils. The Xiaoxiang fauna also includes galeaspids, placoderms and acanthodians. Guiyu was described by Chinese palaeontologist Zhu Min...
Click to read more »Sarcopterygii
Jumat, 2026-05-15 09:28:29cartilages like the skeletons of acanthodians, chondrichthyians and most placoderms. There are otherwise vast differences in fin, respiratory and circulatory...
Click to read more »Devonian
Kamis, 2026-05-21 23:39:50time, leading the Devonian to be called the Age of Fishes. The armored placoderms began dominating almost every known aquatic environment. In the oceans...
Click to read more »List of placoderm genera
Selasa, 2026-01-13 03:24:20established names, and genera that are no longer considered placoderms. The modern descendants of placoderms, the bony and cartilaginous fishes, and their extinct...
Click to read more »Rhenanida
Minggu, 2026-05-03 19:49:46Rhenanida ("Rhine (fish)") is an order of scaly placoderms. Unlike most other placoderms, the rhenanids' armor was made up of a mosaic of unfused scales...
Click to read more »2024 in paleoichthyology
Sabtu, 2026-05-16 10:04:12presented in 2024 is a list of new fossil taxa of jawless vertebrates, placoderms, cartilaginous fishes, bony fishes, and other fishes that were described...
Click to read more »Bothriolepis
Selasa, 2026-02-10 12:29:52today. Bothriolepis is a genus placed within the placoderm order Antiarchi. The earliest antiarch placoderms first appeared in the Silurian period of the...
Click to read more »Arthrodira
Jumat, 2026-04-24 12:56:53groups of placoderms. Arthrodire placoderms are notable for the movable joint between armor surrounding their heads and bodies. Like all placoderms, they...
Click to read more »Actinolepis (placoderm)
Jumat, 2026-04-24 12:56:59P. Plax; Michael J. Newman (2020). "New Early Devonian (late Emsian) placoderms from Belarus". Journal of Paleontology. 94 (4): 773–787. doi:10.1017/jpa...
Click to read more »2025 in paleoichthyology
Sabtu, 2026-05-23 03:01:48Several new fossil taxa of jawless vertebrates, placoderms, cartilaginous fishes, bony fishes, and other fishes were described during the year 2025, which...
Click to read more »Osteichthyes
Jumat, 2026-05-15 16:35:02contrasted with the Chondrichthyes (cartilaginous fish) and the extinct placoderms and acanthodians, which have endoskeletons primarily composed of cartilage...
Click to read more »Qilinyu
Senin, 2026-01-12 07:19:31nostrils 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...
Click to read more »Ostracoderm
Jumat, 2025-08-01 07:45:51it has two internal nasal organs. After the appearance of jawed fish (placoderms, acanthodians, sharks, etc.) about 420 million years ago, most ostracoderm...
Click to read more »Ptyctodontida
Senin, 2026-05-18 09:51:58once 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...
Click to read more »Romundina
Jumat, 2025-10-03 05:46:56the hypothesis that placoderms are a grade as they have some features more closely related to cyclostomes then other placoderms while other features...
Click to read more »Silurian
Minggu, 2026-05-03 18:52:32during the Silurian was the diversification of jawed fish, which include placoderms, acanthodians (which gave rise to cartilaginous fish) and osteichthyan...
Click to read more »Escuminac Formation
Sabtu, 2025-10-11 22:05:19Placoderms Genus Species Presence Material Notes Images Bothriolepis B. canadensis An antiarch. Plourdosteus P. canadensis An arthrodire....
Click to read more »Xiushanosteus
Minggu, 2025-06-01 17:42:54of "maxillate placoderms" and acanthothoracids. The nuchal plate does not separate the two central plates unlike in most other placoderms. The head shield...
Click to read more »Gravel Point Formation
Sabtu, 2025-10-11 22:07:44Placoderms of the Gravel Point Formation Genus Species Presence Material Notes Images Holonemiid South Point (Gravel Point), Little Traverse Bay, Charlevoix...
Click to read more »Microbrachius
Senin, 2024-08-26 05:21:08coatis from the side as apposed from other angles. Other placoderms such as ptyctodontid placoderms have similarly shaped claspers. For example, the clasper...
Click to read more »2026 in paleoichthyology
Jumat, 2026-06-05 16:53:59sarcopterygians. Jobbins et al. (2026) study the composition of the fish (placoderm and sarcopterygian) assemblage from the Devonian (Eifelian) Elm Point...
Click to read more »Materpiscis
Jumat, 2026-05-08 19:07:51from other larger fishes. The ptyctodontid fishes are the only group of placoderms to display sexual dimorphism, where males have clasping organs and females...
Click to read more »Gemuendina
Kamis, 2024-07-04 04:33:20found as a result. Also unlike other placoderms, it did not have the characteristic tooth plates of placoderms. Instead, it had star-shaped tubercle...
Click to read more »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...
Click to read more »Shoulder girdle
Senin, 2026-02-02 04:24:00clavicle. This muscle acts to elevate the clavicle. A specimen of the placoderm Kolymaspis demonstrates that the shoulder girdle evolved from gill arches...
Click to read more »Bothriolepididae
Selasa, 2026-03-24 22:00:16Bothriolepididae is a family of antiarch placoderms, known from the Emsian, to Famennian. The cladogram is from "Bothriolepid antiarchs (Vertebrata, Placodermi)...
Click to read more »Entelognathus
Rabu, 2026-05-13 03:09:37like a face. Diagram with other maxillate placoderms in lateral view Diagram with other maxillate placoderms in dorsal view Pair (middle background) among...
Click to read more »2023 in paleoichthyology
Selasa, 2026-03-24 04:57:41presented in 2023 is a list of new fossil taxa of jawless vertebrates, placoderms, cartilaginous fishes, bony fishes, and other fishes that were described...
Click to read more »Coccosteus
Senin, 2026-05-18 20:26:15present at and below the Upper Eifelian Achanarras limestone level. List of placoderms Dean, Bashford (1895). Fishes, living and fossil. An outline of their...
Click to read more »2010 in paleoichthyology
Selasa, 2025-06-03 08:07:38101–106. 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...
Click to read more »Antiarchi
Selasa, 2026-03-24 21:59:59anus") is an order of heavily armored placoderms. The antiarchs form the second-most successful group of placoderms after the arthrodires in terms of numbers...
Click to read more »Brindabellaspis
Sabtu, 2024-10-26 05:27:38that B. stensioi, and also the antiarchs, are basal placoderms closest to the ancestral placoderm. New findings show B. stensioi may have evolutionary...
Click to read more »2013 in paleoichthyology
Senin, 2026-04-27 16:18:22This 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...
Click to read more »Carnivore
Jumat, 2026-05-29 21:38:21evolution of jawed fish, especially armored placoderms such as the massive Dunkleosteus. The dominance of placoderms in the Devonian ocean forced other fish...
Click to read more »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...
Click to read more »2014 in paleoichthyology
Kamis, 2026-04-16 11:16:36gnathostomes, including placoderms and acanthodians, is published by Brazeau and Friedman (2014). Cranial anatomy of the placoderm Romundina stellina is...
Click to read more »Four Mile Dam Formation
Selasa, 2025-07-01 02:50:52Placoderms reported from the Four Mile Dam Formation Genus Species Presence Material Notes Images ?Macropetalichthys ?M. sp. "A partial head shield (32M)"...
Click to read more »Elasmobranchii
Senin, 2026-05-25 11:02:47†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »2019 in paleoichthyology
Kamis, 2026-04-30 18:15:34fishes described in 2019 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes, and other fishes...
Click to read more »Rockport Quarry Limestone
Kamis, 2025-10-02 23:10:13Placoderms reported from the Rockport Quarry Limestone Genus Species Presence Material Notes Images Dinomylostoma D. sp. An arthrodire. Dunkleosteus D...
Click to read more »Wood Bay Formation
Senin, 2026-06-01 13:00:06poorly represented at the formation compared to other animal groups. Placoderms are a group of armored fish that lived during the Late Silurian and Devonian...
Click to read more »Stensioella
Sabtu, 2025-05-03 22:56:01tentatively 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...
Click to read more »Andreolepis
Senin, 2026-05-18 21:44:44Phylogeny of Gnathostomes Placoderms Placoderms Entelognathus Acanthodians Crown Chondrichthyes Lophosteus Andreolepis Crown Osteichthyes Simplified Phylogeny...
Click to read more »2021 in paleoichthyology
Minggu, 2026-01-04 22:39:32research presented in 2021 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes, and other fishes...
Click to read more »Birth
Minggu, 2026-05-24 10:44:45known 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...
Click to read more »Teleostomi
Kamis, 2026-06-04 02:50:39class Placodermi. Recent studies indicate that Osteichthyes evolved from placoderms like Entelognathus, while acanthodians are more closely related to modern...
Click to read more »Fish egg fossil
Selasa, 2024-10-29 16:07:01fish taxa have contributed to this record, including lobe-finned fish, placoderms, and sharks. Occasionally eggs are preserved still within the mother's...
Click to read more »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...
Click to read more »2015 in paleoichthyology
Kamis, 2026-04-16 11:30:16fishes described in 2015 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes and other fishes...
Click to read more »2022 in paleoichthyology
Jumat, 2026-04-17 09:57:57presented in 2022 is a list of new fossil taxa of jawless vertebrates, placoderms, cartilaginous fishes, bony fishes, and other fishes that were described...
Click to read more »Lancelet
Rabu, 2026-06-03 23:09:18†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Geologic time scale
Sabtu, 2026-05-30 20:38:48the shallows, eliminating trilobites, rugose and tabulate corals, and placoderms. Brachiopods, ammonoids, sharks, bony fish, and crinoids see major reductions...
Click to read more »Pterichthyodes
Senin, 2026-03-30 02:38:09Specimen 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,...
Click to read more »Bianchengichthys
Selasa, 2026-01-06 10:25:56transitionary form between placoderms and extant jawed vertebrates. The evolutionary relationships of Bianchengichthys to other placoderms is thought to shed...
Click to read more »Lists of prehistoric fish
Kamis, 2026-06-04 13:47:33prehistoric fishes include: List of prehistoric jawless fish List of placoderms List of acanthodians List of prehistoric cartilaginous fish List of prehistoric...
Click to read more »Chimaera
Rabu, 2026-04-22 06:30:00†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Fish jaw
Senin, 2025-09-29 09:16:32as the placoderms. They were smaller than most placoderms, usually under 20 centimetres. Spiny sharks did not diversify as much as placoderms, but survived...
Click to read more »2011 in paleoichthyology
Rabu, 2025-09-24 23:22:14S2CID 131051350. RÜCKLIN, MARTIN (January 14, 2011). "First selenosteid placoderms from the eastern Anti-Atlas of Morocco; osteology, phylogeny and palaeogeographical...
Click to read more »2000 in paleontology
Rabu, 2026-03-25 22:58:15Paleontology or palaeontology is the study of prehistoric life forms on Earth through the examination of plant and animal fossils. This includes the study...
Click to read more »2017 in paleoichthyology
Jumat, 2026-04-17 06:51:50fishes described in 2017 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes and other fishes...
Click to read more »Carboniferous
Jumat, 2026-05-15 18:11:12that this evolutionary radiation occurred because the decline of the placoderms at the end of the Devonian caused many environmental niches to become...
Click to read more »Rhipidistia
Selasa, 2026-04-21 04:55:45†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Pseudopetalichthyida
Senin, 2025-11-24 11:47:29Pseudopetalichthyida as placoderms consider them to be a group more advanced than the Ptyctodonts. And as such, pro-placoderm experts consider Pseudopetalichthyida...
Click to read more »Dunkleosteidae
Selasa, 2026-05-19 03:59:21Dunkleosteidae is an extinct family of arthrodire placoderms that lived during the Devonian period. The gigantic apex predator Dunkleosteus terrelli is...
Click to read more »Xitun Formation
Jumat, 2026-02-27 13:53:18Xiaobo; Choo, Brian; Wang, Junqing; Jia, Liantao (2012-06-23). "An antiarch placoderm shows that pelvic girdles arose at the root of jawed vertebrates". Biology...
Click to read more »2018 in paleoichthyology
Minggu, 2026-04-26 15:40:34fish described in 2018 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fish, bony fish, and other fish of...
Click to read more »2020 in paleoichthyology
Minggu, 2026-04-26 13:40:23fishes described in 2020 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes, and other fishes...
Click to read more »Grossaspis
Minggu, 2026-04-05 02:29:38Grossaspis is a monotypic genus of antiarch placoderms known from the Givetian age of Eifel, Germany. It is represented by the single species, Grossaspis...
Click to read more »2016 in paleoichthyology
Kamis, 2026-06-04 18:50:48fishes described in 2016 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes and other fishes...
Click to read more »Deuterostome
Kamis, 2026-06-04 07:47:55Class †"Acanthodii" (acanthodians, paraphyletic) Class †"Placodermi" (placoderms, paraphyletic) Class Chondrichthyes (cartilaginous fish) Clade Osteichthyes...
Click to read more »Paleontology
Sabtu, 2026-05-30 16:22:38separate jawless vertebrates (ostracoderms) from those with jaws such as placoderms and acanthodians. Similarly, the paleohistology of tetrapods has been...
Click to read more »Timeline of fish evolution
Senin, 2026-05-18 09:29:15were already present. Devonian aquatic environments were also marked by placoderms and acanthodians, which are only known from fossils, however. After suffering...
Click to read more »Conodont
Jumat, 2026-04-10 19:03:03†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Amazichthys
Jumat, 2026-04-24 12:53:52single species, Amazichthys trinajsticae. It is one of a few example of placoderm known from whole body shape, including cartilaginous axial and fin elements...
Click to read more »Groenlandaspis
Jumat, 2026-04-24 12:54:52ornamentation of widely spaced, coarse tubercles. Groenlandaspis is unusual among placoderms in that it is known what color it was; preserved pigment cells in its...
Click to read more »Synovial joint
Senin, 2025-12-22 19:20:04canals incompatible with fluid-filled joint cavities, while early jawed placoderms have reciprocally articulating surfaces separated by joint cavities. Synovial...
Click to read more »Zhongxiniscus
Senin, 2026-02-02 21:09:06†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Animals of Devonian Michigan
Rabu, 2026-05-27 07:47:24brachiopods. Also found, but not so commonly, are armored fish called placoderms, snails, sharks, stromatolites, trilobites and blastoids. Bryozoans (moss...
Click to read more »Haikouichthys
Jumat, 2026-03-27 16:13:43†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Dickosteus
Selasa, 2026-05-19 03:18:22Caithness, 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...
Click to read more »Holdenius
Selasa, 2026-05-19 09:56:57placoderm fish which lived during the Late Devonian period. Holdenius was a large arthrodire, reaching lengths of around 3 m (9.8 ft). This placoderm...
Click to read more »Pikaia
Senin, 2026-05-04 14:33:16†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Cathaymyrus
Minggu, 2025-07-27 23:45:55†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Murmur arctatum
Jumat, 2026-04-24 12:58:15Murmur 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...
Click to read more »Acanthodii
Kamis, 2026-01-08 06:05:17characteristics are considered homologous characteristics derived from common placoderm ancestors[clarification needed], and present also in basal cartilaginous...
Click to read more »Lunaspis
Selasa, 2026-01-13 03:20:50Sinica. More about Placoderms. (2002). Retrieved March 6, 2017, from Devonian Times, http://www.devoniantimes.org/who/pages/placoderm.html Archived 2018-03-06...
Click to read more »Crinoid
Senin, 2026-03-23 05:27:05crinoid stems with bite marks matching the toothplates of coccosteid placoderms have been found in Late Devonian Poland. The calyxes of several Devonian...
Click to read more »Predation
Sabtu, 2026-05-30 08:47:26of 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...
Click to read more »Asterolepis (fish)
Jumat, 2026-03-06 14:54:36Asterolepis is an extinct genus of antiarch placoderms from the Devonian of North and South America and Europe. They were heavily armored flat-headed benthic...
Click to read more »Palatoquadrate
Jumat, 2025-11-28 21:50:05palatoquadrate forms from splanchnocranium in various chordates including placoderms and acanthodians. Look up palatoquadrate in Wiktionary, the free dictionary...
Click to read more »Kimbryanodus
Senin, 2026-04-27 04:25:21Kimbryanodus 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...
Click to read more »Actinopterygii
Minggu, 2026-05-24 20:06:26†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Bird Fiord Formation
Kamis, 2026-02-26 16:40:20petalichthyid placoderm Ellopetalichthys scheii from the Middle Devonian of Arctic Canada, with remarks on the inner ear and neck joint morphology of placoderms"....
Click to read more »Parietal eye
Minggu, 2026-05-24 06:33:31vertebrate eye. Many of the oldest fossil vertebrates, including ostracoderms, placoderms, crossopterygians, and early tetrapods, have in their skulls sockets that...
Click to read more »Bothriolepidoidei
Sabtu, 2025-04-19 10:50:49Bothriolepidoidei is a suborder of antiarch placoderm fishes. The group is considered paraphyletic. The cladogram is taken from Bothriolepid antiarchs...
Click to read more »Eastmanosteus
Senin, 2026-05-18 22:00:56Eastmanosteus ("Eastman's bone") is a fossil genus of dunkleosteid placoderms. It was closely related to the giant Dunkleosteus, but differed from that...
Click to read more »Scale (zoology)
Minggu, 2026-02-08 01:55:51modern jawed fish ancestors, the jawless ostracoderms and later jawed placoderms, may have had scales with the properties of both placoid and ganoid scales...
Click to read more »Murmur
Jumat, 2025-03-14 18:30:32non-cryptographic hash function mürmur, a New York City podcast Murmur (placoderm), a genus of placoderms Murmuration, a swarming behavior of starlings Mur Murs, documentary...
Click to read more »Hunsrück Slate
Selasa, 2026-05-19 04:12:49fishes have been described from the Hunsruck slate. Several genera of placoderm armoured fish have been recorded, including some preserved in three dimensions...
Click to read more »Phanerozoic
Senin, 2026-04-27 18:40:49conodonts and ostracoderms, as well as jawed fish such as the armored placoderms (e.g. Dunkleosteus), the spiny acanthodians and early bony fish. The Devonian...
Click to read more »Pinguosteus
Jumat, 2026-04-24 12:56:47Pinguosteus thulborni is a species of arthrodire placoderm from the Gogo Reef Formation, of Late Devonian Australia. The proportions of its armor, coupled...
Click to read more »Flatworm
Kamis, 2026-05-14 10:52:28coprolite, but helminth hooks still attached to Devonian acanthodians and placoderms might also represent parasitic flatworms with simple life cycles. The...
Click to read more »Millerosteus
Selasa, 2026-05-19 03:18:18placoderm from the Early Givetian stage of the Middle Devonian period. Fossils are found in Orkney and Caithness, Scotland. It was a small placoderm with...
Click to read more »Tongdulepis
Selasa, 2025-04-22 05:26:01Tongdulepis is an extinct genus of tubalepid antiarch that lived during the Eifelian stage of the Middle Devonian epoch. Tongdulepis concavus fossils are...
Click to read more »Snailfish
Senin, 2026-05-18 07:19:30†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Notochord
Kamis, 2026-04-30 14:37:02either with attached bony elements or without, most notably the conodonts, placoderms, and ostracoderms. Even after the evolution of the vertebral column in...
Click to read more »Dicranurus
Selasa, 2025-11-11 11:21:31speculated 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...
Click to read more »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...
Click to read more »Tetrapod
Kamis, 2026-05-28 10:34:55Devonian fishes, including an early shark Cladoselache, Eusthenopteron and other lobe-finned fishes, and the placoderm Bothriolepis (Joseph Smit, 1905)....
Click to read more »Teleost
Senin, 2026-05-18 07:17:36†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Dinichthys
Senin, 2026-05-18 20:58:22ichthys 'fish') is an extinct monospecific genus of large marine arthrodire placoderm from the Late Devonian (Famennian stage) measuring around 3 metres (9...
Click to read more »Selenosteidae
Kamis, 2026-05-21 14:53:02Selenosteidae is an extinct family of small to large-sized arthrodire placoderms from the Late Devonian. With the exception of the Chinese Phymosteus,...
Click to read more »Fram Formation
Minggu, 2026-04-19 02:02:15placoderm. Asterolepis A. alticristata NV2K17 locality. Numerous specimens. A placoderm. A. cf. radiata NV2K17 locality. Multiple plates. A placoderm...
Click to read more »Petalodontiformes
Sabtu, 2025-08-16 21:34:39†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Yunnanozoon
Senin, 2026-05-04 14:37:23†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Jaw
Kamis, 2025-12-18 13:59:53probably originally evolved in the Silurian period and appeared in the Placoderm fish which further diversified in the Devonian. The two most anterior...
Click to read more »Migmatocephala
Jumat, 2026-04-24 12:58:09Migmatocephala is a clade of placoderm fish within the suborder Brachythoraci. Migmatocephala includes the homostiids Taemasosteus?, Tityosteus, Antineosteus...
Click to read more »Plourdosteus
Senin, 2026-05-18 22:57:16of placoderm arthrodire which was relatively widespread in Euramerica during the Givetian to Frasnian ages of the Devonian. It was a small placoderm, with...
Click to read more »Phyllolepida
Senin, 2026-05-18 20:32:03taxon of flattened placoderms found throughout the world, with fossils being found in Devonian strata. Like other flattened placoderms, the phyllolepids...
Click to read more »Megalodon
Jumat, 2026-06-05 15:55:14largest 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...
Click to read more »Phoebodontiformes
Selasa, 2026-05-19 04:13:45†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Coccosteidae
Selasa, 2026-05-19 01:57:52Coccosteidae is a family of arthrodire placoderms from the Early to Late Devonian. Fossils appear in various strata in Europe, North America and China...
Click to read more »Fish scale
Sabtu, 2026-04-25 05:34:46exist in modern jawed fish ancestors: jawless ostracoderms and then jawed placoderms. Shark skin is almost entirely covered by small placoid scales. The scales...
Click to read more »Agnatha
Jumat, 2026-05-22 01:17:28†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Erikaspis
Jumat, 2026-04-24 12:54:34Erikaspis is an extinct monospecific genus of arthrodire placoderm fish found in Lochkovian-Pragian (Lower Devonian) deposits of Podolia, Western Ukraine...
Click to read more »Sacabambaspis
Kamis, 2026-05-28 14:01:05feature may not have been typical in the Paleozoic. Galeaspids, some placoderms, and Eriptychius, for example, had widely-spaced eyes with the brain filling...
Click to read more »Holonema
Senin, 2025-06-23 13:10:20Holonema 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...
Click to read more »Milwaukee Formation
Minggu, 2025-06-22 03:55:21graptolites, conodonts, arthrodire placoderms, ptyctodont placoderms, rhenaniform placoderms, petalichthyiform placoderms, chondrichthyans, acanthodians,...
Click to read more »Bowfin
Senin, 2026-05-04 02:19:4198 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...
Click to read more »Semicircular canals
Rabu, 2026-02-04 02:01:58Min; Lu, Jing (2021-03-08). "Endocast and Bony Labyrinth of a Devonian "Placoderm" Challenges Stem Gnathostome Phylogeny". Current Biology. 31 (5): 1112–1118...
Click to read more »Timeline of Earth
Jumat, 2026-05-01 01:10:49boney armor serves as protection against the successful radiation of Placoderms and as a way to live in calcium-poor fresh water environments. c. 410...
Click to read more »Nessariostoma
Senin, 2025-11-24 11:47:01Nessariostoma granulosum is a lightly armored pseudopetalichthyid placoderm from the Hunsrückschiefer Lagerstätte of Early Devonian Germany. The type...
Click to read more »Bungartius
Jumat, 2026-04-24 12:57:15family belonged to Pachyosteina, a paraphyletic placoderm clade that represented the "dominant placoderms of the Upper Devonian". In a 2017 phylogenetic...
Click to read more »Intromittent organ
Minggu, 2026-05-03 17:05:50male members of Chondrichthyes (sharks and rays), as well as now-extinct placoderms, the pelvic fins bear specialized claspers. During copulation, one clasper...
Click to read more »Parayunnanolepis
Selasa, 2026-01-06 10:26:45pelvic girdles, and or inherited them from a common ancestor of both placoderms and other gnathostomes. "New study showing pelvic girdles arose before...
Click to read more »Dunkleosteoidea
Kamis, 2026-05-21 19:37:31Dunkleosteoidea is an extinct superfamily of arthrodire placoderms that lived during the Devonian period. The gigantic apex predator Dunkleosteus terrelli...
Click to read more »Watsonosteus
Selasa, 2026-05-19 03:18:26arthrodire 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...
Click to read more »Catskill Formation
Jumat, 2026-05-01 04:08:11John A.; Daeschler, Edward B. (2013). "First Articulated Phyllolepid Placoderm from North America, with Comments on Phyllolepid Systematics". Proceedings...
Click to read more »List of things named after David Attenborough and his works
Rabu, 2026-06-03 07:30:31and flora." Materpiscis attenboroughi † Long et al., 2008 Fish A fossil placoderm from the Devonian of Australia, this is the oldest known example of any...
Click to read more »Batomorphi
Senin, 2026-05-18 08:34:37Commons has media related to Batomorphi. Rhenanida – similarly shaped placoderm fish Myliobatiformes include stingrays, butterfly rays, eagle rays, and...
Click to read more »Timeline of human evolution
Rabu, 2026-06-03 03:53:06led to the pharynx (water passed through them and left through gills). Placoderms had competition with the previous dominant animals, the cephalopods and...
Click to read more »Lists of prehistoric animals
Rabu, 2026-05-27 10:24:26fish genera List of acanthodian genera List of conodont genera List of placoderm genera List of chitinozoan genera List of eurypterid genera List of mosasaur...
Click to read more »Cephalaspis
Minggu, 2026-04-26 17:06:13Cephalaspis was heavily armored, presumably to defend against predatory placoderms and eurypterids, as well as to serve as a source of calcium for metabolic...
Click to read more »Janusiscus
Senin, 2026-05-04 09:01:07Asterosteus Bolivosteus Gemuendina Jagorina Nefudina Ohioaspis "maxillate placoderms" Bianchengichthys Entelognathus Qilinyu Silurolepis? Incertae sedis Brindabellaspis...
Click to read more »Extinction event
Jumat, 2026-05-15 06:21:13end 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....
Click to read more »Gorgonichthys
Senin, 2026-05-18 22:05:28Gorgonichthys is extinct monospecific genus of large arthrodire placoderm. Fossils are found in the Upper Famennian Cleveland Shales of Late Devonian...
Click to read more »Heterosteus
Selasa, 2026-05-19 02:45:05Heterosteus (also known as Heterostius) is an extinct genus of heterosteid placoderm of the Middle Devonian known from remains discovered in Europe and Greenland...
Click to read more »Cleveland Shale
Rabu, 2026-04-08 03:26:36Placodermi, and palaeoniscinoids ray-finned fishes. The giant predatory placoderms Dunkleosteus terrelli, Gorgonichthys clarki, Gymnotrachelus hydei, Heintzichthys...
Click to read more »Potangaspis
Jumat, 2026-04-24 12:58:27Potangaspis 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...
Click to read more »Mcnamaraspis
Selasa, 2026-05-19 00:38:19trilobites. It has a distinct cartilaginous snout not recorded in other placoderms. Mcnamaraspis was originally classified as a member of the family Plourdosteidae...
Click to read more »Megamastax
Selasa, 2026-04-21 04:53:39including brachipods, molluscs, trilobites, and even armored fish like placoderms and galeaspids. Due to its large size and predatory lifestyle, Megamastax...
Click to read more »Dicksonosteus
Senin, 2026-05-18 21:45:31basal to the arthrodires, the most successful and widespread group of placoderms during the Devonian period notable for the movable joint between the armour...
Click to read more »Petalichthyida
Minggu, 2024-12-22 12:30:57Petalichthyida is an extinct order of small, flattened placoderm fish. They are typified by their splayed pectoral fins, exaggerated lateral spines, flattened...
Click to read more »Ctenacanthiformes
Rabu, 2025-10-15 07:27:05†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Coelacanth
Kamis, 2026-05-28 05:57:43†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Chondrostei
Senin, 2025-05-26 11:16:02†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Mandagery Sandstone
Senin, 2026-04-06 00:22:09in Sydney and the local Age of Fishes Museum in Canowindra. Antiarch placoderms make up the majority of specimens recovered; Bothriolepis and Remigolepis...
Click to read more »Tiktaalik
Senin, 2026-06-01 20:53:01of its body, which is not common in other fish (Tarrasius, Mandageria, placoderms and extant seahorses being some exceptions; see also Lepidogalaxias and...
Click to read more »Bulongosteus
Sabtu, 2026-02-21 11:20:35tolerate freshwater. This corroborates earlier research which indicated placoderms could tolerate a wide range of salinities, and implies Bulongosteus may...
Click to read more »Rhenania
Sabtu, 2021-04-24 06:41:22Tübingen, Germany SS Rhenania, a list of ships Rhenanida, an order of scaly placoderms This disambiguation page lists articles associated with the title Rhenania...
Click to read more »Cyclostomi
Kamis, 2026-06-04 11:52:38†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Lagerstätte
Sabtu, 2026-04-25 22:19:03Materpiscis, a ptyctodontid placoderm fish that is the oldest vertebrate known to give live birth...
Click to read more »Fish anatomy
Jumat, 2025-12-19 19:00:48probably originally evolved in the Silurian period and appeared in the Placoderm fish which further diversified in the Devonian. Jaws are thought to derive...
Click to read more »Pachyosteomorphi
Jumat, 2026-04-24 12:58:17Pachyosteomorphi is an extinct clade of arthrodire placoderms within the Eubrachythoraci (of the suborder Brachythoraci), armored fish most diverse during...
Click to read more »Eugeneodontiformes
Senin, 2026-04-20 15:19:50†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Eurypterid
Minggu, 2026-05-03 13:25:19fish first became more developed and coincides with the emergence of placoderms (armored fish) in both North America and Europe. Stylonurines of the surviving...
Click to read more »Mountain Springs Formation
Senin, 2025-06-30 19:49:59stratigraphic unit in Arizona. The remains of both antiarch and arthrodire placoderms are known from the formation. "Lake Meade National Recreation Area and...
Click to read more »Diplacanthiformes
Jumat, 2025-08-08 16:43:04†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Antarctaspidae
Kamis, 2026-04-30 02:17:35in petalichthyidae), and the tubercular ornament (a basal feature of placoderms). Members of Antarctaspidae are generally small with wide, flat skulls...
Click to read more »Palaeospondylus
Senin, 2026-01-12 22:00:02lungfish. Previously, it had been classified as a larval tetrapod, unarmored placoderm, an agnathan, an early stem hagfish, and a chimaera. A 2017 study suggested...
Click to read more »Kujdanowiaspis
Minggu, 2026-04-26 19:54:35ISSN 1631-0713. Szrek, Piotr; Dupret, Vincent (2017). "Placoderms from the Early Devonian "placoderm sandstone" of the Holy Cross Mountains, Poland with...
Click to read more »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...
Click to read more »Anaspida
Jumat, 2026-03-06 15:51:14†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Dragonfish
Rabu, 2026-01-21 21:45:11bonytongue fish of the family Osteoglossidae Draconichthys, an arthrodire placoderm named after Stomiid dragonfishes Dragonfish (novel), a 2015 novel by Vu...
Click to read more »Ctenurella
Senin, 2026-04-27 04:25:17do 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...
Click to read more »List of prehistoric cartilaginous fish genera
Selasa, 2026-01-13 02:38:06portal sharks portal Cartilaginous fish List of acanthodians List of placoderms List of prehistoric bony fish List of prehistoric jawless fish List of...
Click to read more »Ischnacanthiformes
Rabu, 2024-12-25 03:42:03†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »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...
Click to read more »Janiosteus
Jumat, 2026-04-24 12:55:08Janiosteus is an extinct monospecific genus of placoderm arthrodire from the Middle Devonian: Late Givetian stage found in Timan, Russia. Janiosteus is...
Click to read more »Brachythoraci
Jumat, 2026-04-24 12:57:07Brachythoraci is an extinct suborder of arthrodire placoderms, armored fish most diverse during the Devonian. Arthrodira is divided into three main groups:...
Click to read more »Stipatosteus
Jumat, 2025-06-06 14:54:29The trunk armor of Stipatosteus is similar to a few different groups of placoderms such as that seen in Actinolepinans though lacks anterior ventral plate...
Click to read more »Iniopterygiformes
Kamis, 2025-11-06 20:24:42†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »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...
Click to read more »Hollardosteus
Jumat, 2026-04-24 12:56:41Hollardosteus marocanus is a brachythoracid arthrodire placoderm from the Middle Devonian of Morocco. Its scrappy remains were found in Eifelian-aged...
Click to read more »Xiangshuiosteus
Sabtu, 2025-07-19 03:21:45Xiangshuiosteus wui is an extinct monospecific genus of brachythoracid arthrodire placoderm from the Late Emsian stage of the Early Devonian epoch, discovered in...
Click to read more »History of Earth
Kamis, 2026-06-04 11:05:57increasing sizes evolved during the early Paleozoic, such as the titanic placoderm Dunkleosteus, which could grow 7 meters (23 ft) long. The diversity of...
Click to read more »Holocephali
Selasa, 2026-05-12 00:42:37some unrelated lineage of placoderms, making Chondrichthyes a polyphyletic (unnatural) grouping. A particular group of placoderms called the Ptyctodontiformes...
Click to read more »Neopterygii
Kamis, 2026-05-28 23:39:33†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »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...
Click to read more »Robert Dick (geologist)
Sabtu, 2026-01-31 21:20:07Jan den; Choo, Brian; Trinajstic, Kate (2015). "Copulation in antiarch placoderms and the origin of gnathostome internal fertilization" (PDF). Nature. 517...
Click to read more »Branchial arch
Rabu, 2025-10-15 07:47:39stapes in mammals) and in mammals, the malleus and incus. Studies on placoderms also show that the shoulder girdle also originated from gill arches. Scott...
Click to read more »Hangenberg event
Minggu, 2026-05-17 23:28:07globally and did not discriminate between freshwater and marine species. Placoderm diversity had already decreased in the Kellwasser Event, and all remaining...
Click to read more »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...
Click to read more »Flagellopantopus
Minggu, 2026-03-22 15:53:59alongside Flagellopantopus, including other arthropods, echinoderms, placoderms, agnathans, and various other groups. Some notable examples of contemporary...
Click to read more »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...
Click to read more »List of the prehistoric life of Pennsylvania
Selasa, 2025-04-29 11:47:57Life restoration of the Late Devonian placoderm fish Bothriolepis...
Click to read more »Pituriaspida
Kamis, 2025-10-02 03:13:34†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Streptophyta
Sabtu, 2026-04-04 19:53:16Zygnematales (filamentous conjugates and saccoderm desmids) Order Desmidiales (placoderm desmids) Class Coleochaetophyceae (coleochaetophytes) Order Coleochaetales...
Click to read more »Gooloogongia
Rabu, 2026-06-03 05:41:34were probably not strong enough to penetrate the armor plating of small placoderms. Age of Fishes Museum, Canowindra Gooloogongia loomesi Specimens of Gooloogongia...
Click to read more »Asterosteus
Selasa, 2026-01-13 10:34:47Asterosteus is a genus of rhenanid placoderm from the Eifelian. The type species, A. stenocephalus, is known from an incomplete skull from Middle Devonian...
Click to read more »Paleontology in New Mexico
Minggu, 2025-07-27 07:41:28brachiopods, bryozoans, cartilaginous fishes, corals, graptolites, nautiloids, placoderms, and trilobites. During the Ordovician the state was home to algal reefs...
Click to read more »Onychodontiformes
Selasa, 2026-04-21 04:14:11†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Weejasperaspis
Rabu, 2024-05-22 03:38:20Weejasperaspis is an extinct acanthothoracid placoderm found in the Taemas-Weejasper Reef, of the Early Devonian-aged Buchan Group in eastern Victoria...
Click to read more »Evieux Formation
Senin, 2026-01-12 22:16:38Clément, Gaël; Daeschler, Edward B.; Dupret, Vincent (23 August 2016). "Placoderm Assemblage from the Tetrapod-Bearing Locality of Strud (Belgium, Upper...
Click to read more »Bryantolepis
Jumat, 2026-04-24 12:57:11Bryantolepis is an extinct genus of arthrodire placoderm fish from the Early Devonian period found in northern USA, and currently consists of two species...
Click to read more »Miguasha National Park
Senin, 2026-02-23 12:29:32Bothriolepis, a fossil antiarch placoderm found at this site....
Click to read more »Cladistia
Selasa, 2026-03-24 22:00:24†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »The Monster of Lake LaMetrie
Jumat, 2025-10-24 19:36:32property of prehistoric life washing ashore, such as tree-like ferns and placoderms. McLennegan believes that the lake is connected to an “inner Earth” from...
Click to read more »Jugal bone
Sabtu, 2026-05-09 10:14:10well 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...
Click to read more »Gogo Formation
Senin, 2026-04-13 12:16:55Materpiscis, a placoderm preserved with an embryonic juvenile still attached by its umbilical cord, has revealed that at least some placoderms gave birth...
Click to read more »Romer's gap
Kamis, 2025-10-16 09:05:34lakes 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...
Click to read more »Erromenosteus
Kamis, 2026-04-30 02:38:22Erromenosteus is a genus of extinct, medium-sized brachythoracid arthrodire placoderm from the Late Frasnian of the Kellwasserkalk facies of Late Devonian Bad...
Click to read more »Denver Museum of Nature and Science
Selasa, 2026-05-26 07:39:52diorama from 435 million years ago, a cast/replica skull of the ancient placoderm fish, Dunkleosteus, and a collection of trilobites. Some fossil bone of...
Click to read more »Pteraspidomorpha
Senin, 2026-03-30 11:42:54†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »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...
Click to read more »Melanosteus
Senin, 2025-09-29 22:34:51Melanomontanosteus is an extinct genus of selenosteid placoderm that lived during the Late Devonian. It contains one valid species, M. occitanus, known...
Click to read more »Kolpaspis
Jumat, 2026-04-24 12:55:12Kolpaspis is an extinct genus of placoderm fish, which lived during the Middle Devonian period of North America. Bibliography of Fossil Vertebrates, 1969-1972...
Click to read more »Prosphymaspis
Jumat, 2026-04-24 12:55:56Prosphymaspis 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...
Click to read more »Heterosteidae
Kamis, 2026-05-21 15:38:14extinct family of moderately large to giant, flattened, benthic arthrodire placoderms with distinctive, flattened, triangular skulls that are extremely broad...
Click to read more »Panderichthys
Senin, 2025-12-08 22:32:14the same deposits include an armored jawless fish (Psammolepis), two placoderms (Asterolepis and Plourdosteus), an unidentified acanthodid acanthodian...
Click to read more »Diandongpetalichthys
Senin, 2025-11-24 10:04:44Diandongpetalichthys liaojiaoshanensis is an extinct petalichthyid placoderm from the Early Devonian of China. Several specimens, in the forms of one...
Click to read more »Rolfosteus
Senin, 2026-05-18 21:39:35Rolfosteus is an extinct monospecific genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period, found at the Gogo Formation...
Click to read more »List of Ohio state symbols
Minggu, 2026-05-31 23:06:38State vertebrate fossil or State fossil fish The Dunkleosteus maximus placoderm fish became the official state fossil in 2021. State gemstone Ohio flint...
Click to read more »Thelodonti
Senin, 2026-05-18 07:29:55Cambrian-Ordovician time. However, the thelodonts (as well as the conodonts, placoderms, acanthodians, and chondrichthyans) are the second major group which are...
Click to read more »Table Mountain Sandstone
Jumat, 2026-04-10 23:40:13the extinct blastoids and cystoids), foraminifera and fish with jaws (placoderms). The upper layers of the Bokkeveld Group become increasingly more sandy...
Click to read more »Late Devonian mass extinction
Sabtu, 2026-05-23 16:46:27invasions[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...
Click to read more »Vertebrate paleontology
Selasa, 2026-03-31 13:03:22vertebrates 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...
Click to read more »Neutron tomography
Selasa, 2025-10-28 06:28:54Per E. (2022-09-16). "Exceptional preservation of organs in Devonian placoderms from the Gogo lagerstätte". Science. 377 (6612): 1311–1314. Bibcode:2022Sci...
Click to read more »Sigaspis
Jumat, 2026-04-24 12:56:08Sigaspis is an extinct monospecific genus of arthrodire placoderm fish from the Early Devonian period. The type species Sigaspis lepidophora was described...
Click to read more »Aleosteus
Jumat, 2026-04-24 12:53:50Aleosteus is an extinct monospecific genus of arthrodire placoderm fish of the Early Devonian period. The type species Aleosteus eganensis was described...
Click to read more »Vukhuclepis
Senin, 2026-02-23 16:02:43Vukhuclepis lyhoaensis is an extinct, primitive antiarch placoderm. Specimens are of mostly complete thoracic armor from the Early Devonian Ly Hoa Formation...
Click to read more »Egg fossil
Rabu, 2025-10-01 22:17:58fish taxa have contributed to this record, including lobe-finned fish, placoderms, and sharks. Occasionally eggs are preserved still within the mother's...
Click to read more »Holonematidae
Kamis, 2026-05-21 15:24:37Holonematidae is an extinct family of relatively large arthrodire placoderms from the Early to Late Devonian. Almost all fossil specimens are of armor...
Click to read more »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...
Click to read more »Charophyta
Minggu, 2026-05-24 04:23:47cell-contents of the two conjugating cells. The saccoderm desmids and the placoderm or true desmids, unicellular or filamentous members of the Zygnematophyceae...
Click to read more »Aztec Siltstone
Rabu, 2026-03-18 04:15:37with a seasonal climate, a large amount of fish fossils including both placoderms and acanthodians have been found in the formation. The Aztec Siltstone...
Click to read more »Incisoscutum
Senin, 2026-05-18 22:11:44balance (for example hiding places for pregnant placoderms). This would have allowed the placoderms to invest more time and energy in producing and nurturing...
Click to read more »Symmoriiformes
Sabtu, 2025-07-26 14:43:29†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Promissum
Senin, 2026-02-23 12:17:39†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Hidden Valley Dolomite
Minggu, 2025-06-22 03:40:59along with the remains of other jawless fishes and a small arthrodire placoderm. Geology of Inyo County, California Google Books: United States Geological...
Click to read more »Macropetalichthys
Senin, 2025-11-24 11:24:46Macropetalichthys is a genus of placoderm fish, named by Norwood and Owen in 1846. The name "Macropetalichthys" means "armor-plated fish". It was assigned...
Click to read more »Largest prehistoric animals
Rabu, 2026-05-27 04:52:53had 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...
Click to read more »Ailuracantha
Kamis, 2026-05-21 19:39:29Ailuracantha is a montotypic genus of extinct placoderm from the family actinolepidae. It was discovered in the Senni Beds: a Devonian aged rock formation...
Click to read more »Psarolepis
Selasa, 2026-04-21 04:54:26spine extending back from the shoulder girdle which is found in some placoderms and acanthodians. Later, in 2001, Zhu and Schultze gave more basis to...
Click to read more »Gogoselachus
Selasa, 2025-09-30 14:37:53was 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...
Click to read more »List of acanthodian genera
Senin, 2026-04-13 22:09:15used on this list. paleontology portal fish portal Acanthodians List of placoderms List of prehistoric bony fish List of prehistoric cartilaginous fish List...
Click to read more »Hadrosteidae
Kamis, 2026-05-21 15:02:59Hadrosteidae is a family of arthrodire placoderms from the Late Devonian. It was originally erected for the late Frasnian Hadrosteus, from the Kellwasserkalk...
Click to read more »List of the prehistoric life of Ohio
Sabtu, 2025-06-14 16:49:16Mounted skull of the Late Devonian placoderm fish Dunkleosteus...
Click to read more »Tuberculaspis
Selasa, 2026-04-21 06:38:28other fish have been found including osteostracans, acanthodians, and placoderms. Ilyes, Robert R.; Elliott, David K. (1994). "New Early Devonian pteraspidids...
Click to read more »Jiuchengia
Jumat, 2026-04-24 12:55:10Jiuchengia longoccipita is a coccosteid arthrodire placoderm from the Late Emsian epoch of Wuding, Yunnan. Its skull is similar in form to those of Watsonosteus...
Click to read more »Cleveland Museum of Natural History
Selasa, 2026-03-24 18:32:45the Cleveland Shale, including several mounted skulls of the arthrodire placoderm Dunkleosteus. Many of these fossils and their casts are now on display...
Click to read more »Osteostraci
Jumat, 2026-05-22 01:48:02†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Desmidiales
Senin, 2025-05-05 09:45:16the desmids, a distinction is typically made between "saccoderm" and "placoderm" desmids. Saccoderm desmids, corresponding to the family Mesotaeniaceae...
Click to read more »Intertemporal bone
Rabu, 2025-10-01 06:33:13suggested that the intertemporal is homologous to the postorbital plate of placoderms and the dermosphenotic bone of actinopterygians (ray-finned fish). López-Arbarello...
Click to read more »Acanthodiformes
Jumat, 2026-04-17 04:05:00†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Latocamurus
Selasa, 2026-05-19 01:23:53Latocamurus is an extinct monospecific genus of flat-nosed arthrodire placoderm from the Early Frasnian stage of the Late Devonian period, found at the...
Click to read more »Palaeacanthaspis
Jumat, 2024-01-05 21:10:10Palaeacanthaspis vasta is an extinct acanthothoracid placoderm from the early Devonian of Europe. Dupret, Vincent; Szaniawski, Hubert; Dec, Marek; Szrek...
Click to read more »Hongyu
Selasa, 2026-05-19 16:50:42used. These streams would have also been home to a number of antiarch placoderms and Sinostega, a much smaller tetrapodamorph. Zhu, Min; Ahlberg, Per E...
Click to read more »Eubrachythoraci
Jumat, 2026-04-24 12:57:33Eubrachythoraci is an extinct clade of arthrodire placoderms within the suborder Brachythoraci, armored fish most diverse during the Devonian. Most are...
Click to read more »Cephalaspidomorphi
Selasa, 2026-02-10 01:04:37†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Nefudina
Minggu, 2024-07-07 08:41:59Nefudina qalibahensis is a rhenanid placoderm from the early Emsian during the Early Devonian epoch of Northeastern Saudi Arabia. It is known from skull...
Click to read more »Quasipetalichthys
Senin, 2025-11-03 04:20:47China, where they were found in association with remains of antiarch placoderms such as Bothriolepis sinensis, and Hunanolepis. The larger of the two...
Click to read more »Wangolepis
Selasa, 2025-11-25 12:02:54Silurian-aged Chinese and Vietnamese fossils of what are agreed to be a primitive placoderm. Janvier, Philippe, et al. "Devonian fish (Placodermi, Antiarcha) from...
Click to read more »2008 in paleontology
Senin, 2025-11-17 10:18:32Wikimedia Commons has media related to 2008 in paleontology. Paleontology or palaeontology is the study of prehistoric life forms on Earth through the...
Click to read more »Paleontology in Michigan
Jumat, 2024-12-20 20:59:50were placoderms. Usually Michigan strata of this age only preserve their bony armor and gnathal bones. There are three main groups of placoderms that...
Click to read more »Proaethaspis
Jumat, 2026-04-24 12:55:54Proaethaspis is an extinct monospecific genus of arthrodire placoderm fish from the Early Devonian period. The type species Proaethaspis ohioensis was...
Click to read more »Battery Point Formation
Rabu, 2025-12-03 20:56:34formations. Forillonaspis F. lehmani Cap-aux-Os locality An arthrodire placoderm Gaspestria G. genselorum Locality W, Cap-aux-Os member Four partial specimens...
Click to read more »Mark Norell
Kamis, 2026-04-30 14:48:21Thus, guests begin their exploration with the simplest vertebrates, placoderms and bony fishes, and conclude their visit with advanced mammals, such...
Click to read more »Endolymphatic sac
Jumat, 2025-10-17 22:46:35the outside environment in primitive galeaspids, all osteostracans, all placoderms, and most chondrichthyans, so there is no sac. In other vertebrates, the...
Click to read more »Shenacanthus
Rabu, 2025-01-29 04:10:54like Paucicanthus. Its pectoral region is unique for having relatively placoderm-like armour, with both lateral and ventral plates, alongside a large teardrop-shaped...
Click to read more »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...
Click to read more »Skull roof
Kamis, 2026-01-08 09:28:19skullcap. Early armoured fish (such as jawless ostracoderms and jawed placoderms) did not have a skull in the common understanding of the word, but instead...
Click to read more »Greenops
Rabu, 2025-06-11 10:46:56likely preyed upon by ammonoids, straight cephalopods, sharks, and small placoderms, hence the defensive spines. All of these animals have been found in close...
Click to read more »Pterygotus
Senin, 2026-04-27 14:20:09been capable of preying on armored fish such as pteraspidomorphs and placoderms. The deposits that yielded the fossils of P. siemiradzkii have also yielded...
Click to read more »Compagopiscis
Selasa, 2026-05-19 03:16:38Compagopiscis is an extinct genus of placoderm known from the Gogo Formation. It lived in the Upper Devonian (Frasnian stage) of Western Australia. The...
Click to read more »Kronosaurus
Kamis, 2026-05-21 04:18:19the bite force of these two pliosaurids exceed that of the predatory placoderm fish Dunkleosteus but are far from equaling that of the megalodon, to...
Click to read more »List of sarcopterygian genera
Selasa, 2026-03-24 05:30:52†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Fault Bluff
Kamis, 2026-05-21 23:56:26and bony plates. Fault Bluff' is the type locality for the phyllolepid placoderms, Austrophyllolepis quiltyi and Placolepis tingeyi. This outcrop of the...
Click to read more »Coccosteoidea
Jumat, 2026-04-24 12:57:19Coccosteoidea is an extinct superfamily of arthrodire placoderms that lived during the Devonian period. Eubrachythoraci is divided into the sister clades...
Click to read more »Murrindalaspis
Selasa, 2024-11-19 03:06:53Murrindalaspis is an extinct genus of acanthothoracid placoderm found in the McLarty Member of the Murrindal Limestone, of the Early Devonian-aged Buchan...
Click to read more »Mount Ritchie
Minggu, 2025-11-09 09:41:41fossils include a set of acanthodid acanthodiform jaws (Gyracanthides ?), placoderms (Bothriolepis macphersoni and Pambulaspis antarctica), and other fossil...
Click to read more »List of marine fishes of South Africa
Kamis, 2023-11-09 18:53:34including 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...
Click to read more »Paleontology in Texas
Minggu, 2025-06-08 18:40:30included armored fishes, also preserved in the Llano Uplift. Contemporary placoderms were preserved in central Texas. Like the state's Devonian rocks, those...
Click to read more »Gauja Formation
Jumat, 2025-06-06 01:55:31Panderichthys and Megadonichthys kurikae The first fossils of young placoderms ever discovered were found in the Gauja formation. Ranging in size from...
Click to read more »Gymnotrachelus
Selasa, 2026-05-19 01:29:17Gymnotrachelus is an extinct monospecific genus of large selenosteid arthrodire placoderm of the Late Devonian known from the Late Famennian Cleveland Shale of...
Click to read more »List of the Paleozoic life of Virginia
Jumat, 2026-03-13 12:57:45Life restoration of the Late Devonian placoderm fish Bothriolepis...
Click to read more »Wee Jasper, New South Wales
Jumat, 2026-03-13 16:31:11including members of the Acanthothoracid placoderm fish family Weejasperaspididae, the primitive placoderm Brindabellaspis stensioi and the prehistoric...
Click to read more »List of the prehistoric life of Iowa
Jumat, 2026-02-20 23:58:13Life restoration of the Late Devonian placoderm fish Ptyctodus...
Click to read more »Paraconodontida
Sabtu, 2026-03-07 10:57:13†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Protitanichthys
Selasa, 2026-05-19 01:54:20Protitanichthys is an extinct genus of comparatively large coccosteid arthrodire placoderms from the Middle Devonian of the eastern United States. Fossils are found...
Click to read more »Driscollaspis
Rabu, 2025-10-01 03:36:24Driscollaspis is an extinct genus of selenosteid that lived during the Late Devonian epoch. Driscollapsis pankowskiorum is known from fossils discovered...
Click to read more »Amazinyomakhulu
Selasa, 2026-04-21 10:14:55Animals documented from Waterloo include lampreys, a diverse assortment of placoderms, acanthodians and other cartilaginous fish, and bony fish including actinopterygians...
Click to read more »Paraplesiobatis
Senin, 2025-11-24 12:14:46Paraplesiobatis heinrichsi is a lightly armored pseudopetalichthyid placoderm from the Hunsrückschiefer Lagerstätte of Early Devonian Germany. The type...
Click to read more »Palaeoniscoid
Senin, 2026-05-18 07:50:00†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Gavini
Senin, 2024-09-30 23:15:10Bonapartist politician Weejasperaspis gavini, an extinct acanthothoracid placoderm found in the eastern Victoria, Australia 21515 Gavini, a minor planet...
Click to read more »2025 in paleontology
Senin, 2026-06-01 00:46:15describe trace fossils on placoderm bones from the Devonian strata in Poland, interpreted as produced by scavengers feeding on placoderm carcasses. A monobathrid...
Click to read more »Mandageria
Rabu, 2025-05-28 16:00:13joint, an otherwise uncommon feature among fish - Tiktaalik, Tarrasius, placoderms (esp. Arthrodira) and seahorses being other exceptions. Age of Fishes...
Click to read more »Kendrickichthys
Jumat, 2026-04-24 12:58:01Kendrickichthys is an extinct monospecific genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period. Fossils are found...
Click to read more »Christian Heinrich Pander
Jumat, 2026-05-08 09:22:46Petersburg, (1856). Ueber die Placodermen des devonischen Systems, (On placoderms of the Devonian system), 1857. Über die ctenodopterinen des devonischen...
Click to read more »Tungsenia
Selasa, 2026-02-17 03:19:23high diversity in the jawless fish group Galeaspida along with early Placoderms along with lobe-finned fish. Lu, Jing; Zhu, Min; Long, John A.; Zhao,...
Click to read more »Doryaspis
Rabu, 2026-05-13 06:33:31thelodonts are all known from the formation, as are jawed fish including placoderms, acanthodians, and lobe-finned fish. Pycnosteus, a psammosteid heterostracan...
Click to read more »Geology of Hong Kong
Jumat, 2026-03-06 10:11:44Devonian period (~420 Mya) which is marked by the discovery of fragmentary placoderm (a Devonian fish) fossils in northeast Hong Kong. While the youngest rocks...
Click to read more »Incisoscutoidea
Jumat, 2026-04-24 12:57:57Incisoscutoidea is an extinct superfamily of arthrodire placoderms that lived during the Devonian period. Eubrachythoraci is divided into the sister clades...
Click to read more »Cobandrahlepis
Kamis, 2024-04-04 17:06:58extinct genus of phyllolepid placoderm found in New South Wales, Australia. Young, Gavin C. (2005). "New phyllolepids (placoderm fishes) from the Middle-Late...
Click to read more »Narrominaspis
Jumat, 2026-04-24 12:55:30Narrominaspis longi is an extinct buchanosteid arthrodire placoderm. Its fossils, and those of the acanthothoracid, Connemarraspis, have been found in...
Click to read more »Taxonomy of commonly fossilised invertebrates
Rabu, 2025-11-05 03:49:34Vertebrates such as hagfishes, lampreys, conodonts [†], ostracoderms [†], placoderms [†], sharks, ray-finned fishes, lobe-finned fishes, amphibians, reptiles...
Click to read more »Canowindra
Jumat, 2026-05-08 17:12:12pool of water that dried up, stranding a school of armoured antiarch placoderms in the species Remigolepis walkeri and Bothriolepis yeungae. Other important...
Click to read more »H. gouldii
Jumat, 2011-10-07 00:59:28moth species in the genus Hapalotis Heintzichthys gouldii, an extinct placoderm fish species that lived what is now Europe and North America during the...
Click to read more »Ptyctodus
Senin, 2026-04-27 04:25:27Asterosteus Bolivosteus Gemuendina Jagorina Nefudina Ohioaspis "maxillate placoderms" Bianchengichthys Entelognathus Qilinyu Silurolepis? Incertae sedis Brindabellaspis...
Click to read more »Silurolepis
Senin, 2026-01-12 22:04:47Silurolepis platydorsalis is a species of Silurian-aged "maxillate" early placoderm that has been described from (mostly) articulated remains. Although it...
Click to read more »Actinolepidae
Kamis, 2026-05-21 08:06:29Actinolepidae is an extinct family of placoderm fishes which lived during the Early Devonian period. They are considered to be among the most primitive...
Click to read more »Errol White
Senin, 2025-10-27 03:50:271962 and the Linnean Gold Medal in 1970. A genus of Devonian arthrodire placoderm fish, Errolosteus, a genus of Carboniferous actinopterygian fish, Whiteichthys...
Click to read more »Dinichthyloidea
Minggu, 2026-05-17 23:25:39The Dinichthyloidea is an extinct superfamily of placoderms, armored fish most diverse during the Devonian. However, the term is no longer in use, as modern...
Click to read more »Waaipoort Formation
Minggu, 2025-12-28 00:58:31mostly of paleoniscoids, is a large divergence from the predominantly placoderm- and sarcopterygian- dominated faunas of previous Witteberg Group formations...
Click to read more »Aspinothoracidi
Jumat, 2026-04-24 12:57:05Aspinothoracidi is a clade of placoderms, extinct armored fish most diverse during the Devonian. The gigantic apex predator Dinichthys, is the best-known...
Click to read more »Climatiiformes
Senin, 2025-12-29 00:19:12†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Xenacanthiformes
Senin, 2026-02-09 12:37:47†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Yunnanolepis
Selasa, 2026-01-06 10:30:25Yunnanolepis is an extinct genus of primitive antiarch placoderm. The fossils of the various species are found in Early to Middle Devonian strata in Southern...
Click to read more »Grenfell fossil site
Kamis, 2025-09-11 03:56:27for Devonian fossils in New South Wales, containing a diverse range of placoderm, acanthodian and sarcopterygian fishes. The fossils are found in the Hunter...
Click to read more »Bullerichthys
Jumat, 2026-04-24 12:57:13Bullerichthys is an extinct monospecific genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period. Fossils are found in...
Click to read more »Galeaspida
Senin, 2026-05-18 07:29:59Devonian, found in association with the tetrapod Sinostega and the antiarch placoderm Remigolepis, in strata from the Northern Chinese province of Ningxia....
Click to read more »Ted Daeschler
Rabu, 2024-06-19 06:35:57Daeschler, E. B., A. Frumes and C. F. Mullison. 2003. Groenlandaspidid placoderm fishes from Late Devonian of North America. Records of the Australian...
Click to read more »Paleontology in Ohio
Minggu, 2025-06-08 18:39:06appeared in the Middle Devonian, such as the armoured fish known as the placoderms, like the giant apex predator Dunkleosteus. True land plants also appeared...
Click to read more »List of the prehistoric life of Missouri
Sabtu, 2025-06-14 16:49:10Life restoration of the Late Devonian placoderm fish Ptyctodus...
Click to read more »Meemann Chang
Senin, 2026-05-11 10:23:17Meemannavis ductrix. There is also a unique organ of yunnanolepid antiarch placoderms named "Chang's Apparatus" after her. Elliott, David K.; Maisey, John G...
Click to read more »Baringaspis
Jumat, 2026-04-24 12:54:04Baringaspis is an extinct monospecific genus of arthrodire placoderm fish from the Early Devonian period. The type species Baringaspis dineleyi was described...
Click to read more »Pycnodontiformes
Senin, 2026-02-09 10:22:23†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Cape Fold Belt
Senin, 2025-09-22 18:02:27the extinct blastoids and cystoids), foraminifera and fish with jaws (placoderms). The upper layers of the Bokkeveld Group become increasingly more sandy...
Click to read more »Radotina
Senin, 2026-04-27 18:42:35Radotina is an extinct genus of placoderm from the early Devonian of Europe. Paleontology portal Dinosaurs to Dodos: An Encyclopedia of Extinct Animals...
Click to read more »Hybodontiformes
Sabtu, 2026-04-25 06:18:43†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Bolivosteus
Rabu, 2026-02-18 08:53:48Bolivosteus chacomensis is a rhenanid placoderm from the Eifelian of Bolivia, and is the only placoderm known from the “Malvinokaffric” invertebrate faunas...
Click to read more »Sea Monsters (TV series)
Senin, 2026-06-01 03:49:50Stethacanthus and the placoderm Bothriolepis and he uses a rounded shark cage to protect himself from the giant predatory placoderm Dunkleosteus. 2 "Into...
Click to read more »Doliodus
Senin, 2026-06-01 12:59:08sequence of chondrichthyan evolution, due to it sharing features with placoderm fishes. Specific layers of the Campbellton Formation which preserve Doliodus...
Click to read more »Panxiosteus
Jumat, 2026-04-24 12:58:23Panxiosteus is an extinct monospecific genus of placoderm arthrodire from the Middle Devonian: Givetian stage of Yunnan province, China. Panxiosteus is...
Click to read more »Boyle Group
Rabu, 2026-04-22 20:47:23Ordovician to Silurian aged strata. The Kiddville bone bed contains, placoderm bones, which are common throughout this layer, sharks teeth. This bed...
Click to read more »Trematosteus
Jumat, 2026-04-24 12:58:41Trematosteus is an extinct monospecific genus of arthrodire placoderm from the Late Frasnian stage of the Late Devonian period. Fossils are found from...
Click to read more »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...
Click to read more »Microbrachiidae
Selasa, 2026-05-19 01:58:48Microbrachiidae is an extinct family of tiny, advanced antiarch placoderms closely related to the bothriolepidids. Although most species are known from...
Click to read more »Cavanosteus
Jumat, 2026-04-24 12:54:20Information Facility. Gavin C. Young (January 2004). "A homostiid arthrodire (placoderm fish) from the Early Devonian of the Burrinjuck area, New South Wales"...
Click to read more »Wuttagoonaspis
Senin, 2026-05-18 08:45:47Wuttagoonaspis is an extinct genus of primitive arthrodire placoderm fish from the Middle Devonian of Australia. The box-like skull is up to 18 centimeters...
Click to read more »Simosteus
Kamis, 2026-05-21 14:53:06Simosteus tuberculatus is a small arthrodire placoderm from the Gogo Formation of Western Australia. Unlike other members of the arthrodire family Camuropiscidae...
Click to read more »Paleontology in Wisconsin
Sabtu, 2026-05-16 12:01:43crinoids, blastoids, edrioasteroids, graptolites, conodont elements, fishes (placoderms, sharks, acanthodians, sarcopterygians), terrestrial fungi, and land plants...
Click to read more »Phyllolepis
Jumat, 2026-04-24 12:55:46gill arches. Elongated basiptergia have been found on some phyllolepid placoderms, such as Austrophyllolepis and Cowralepis, suggesting Phyllolepis may...
Click to read more »List of the prehistoric life of Virginia
Selasa, 2026-01-13 05:39:26Life restoration of the Late Devonian placoderm fish Bothriolepis...
Click to read more »Ornithoprion
Sabtu, 2026-05-02 06:31:01Szrek, Piotr; Klug, Christian (2024). "Extreme lower jaw elongation in a placoderm reflects high disparity and modularity in early vertebrate evolution"...
Click to read more »Arctolepis
Selasa, 2023-05-02 03:56:23Arctolepis is an extinct genus of placoderm arthrodire fish which lived during the Early Devonian period (408 – 307 million years ago). Fossils of Arctolepis...
Click to read more »Brian G. Gardiner (biologist)
Sabtu, 2025-06-14 11:56:22California Press. p. 256. Gardiner, B G (1984). "The relationship of placoderms". Journal of Vertebrate Paleontology. 4 (3): 379–395. Bibcode:1984JVPal...
Click to read more »Dhanguura
Jumat, 2026-04-24 12:54:26brachythoracid. Young, G. C. (2004). "Large brachythoracid arthrodires (placoderm fishes) from the Early Devonian of Wee Jasper, New South Wales, Australia...
Click to read more »Lehmanosteus
Jumat, 2026-04-24 12:55:16Lehmanosteus is an extinct monospecific genus of arthrodire placoderm fish, named after French paleontologist Jean-Pierre Lehman. The type species Lehmanosteus...
Click to read more »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):...
Click to read more »Angarichthys
Minggu, 2025-02-09 07:54:05Angarichthys hyperboreus is an extinct homostiid arthrodire placoderm from the Middle Devonian (either upper Eifelian or lower Givetian) of Siberia. It...
Click to read more »Harrytoombsia
Jumat, 2026-04-24 12:57:45Harrytoombsia is an extinct genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period. Fossils are found from Kimberley...
Click to read more »Carolowilhelmina
Jumat, 2026-04-24 12:56:37Carolowilhelmina geognostica is an extinct arthrodire placoderm fish that lived in the Late Eifelian epoch (of Middle Devonian) of Aragon, Spain. In life...
Click to read more »Pucapampella
Selasa, 2026-02-17 15:38:05which 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...
Click to read more »Floresta Formation
Senin, 2026-04-27 03:05:49bivalves have been found in the Floresta Formation. Some fragments of Placoderm fish fossils were found in the Floresta Formation, while the overlying...
Click to read more »Tapinosteus
Jumat, 2026-04-24 12:58:31Tapinosteus is an extinct monospecific genus of arthrodire placoderm from the Late Frasnian stage of the Late Devonian period. Fossils are found from...
Click to read more »Actinolepis
Kamis, 2018-02-22 15:59:56Asteraceae, currently considered a synonym of Eriophyllum Actinolepis (placoderm), a genus of prehistoric fish in the family Actinolepidae This disambiguation...
Click to read more »Campbellton Formation
Rabu, 2025-12-03 20:28:46Placoderms Genus Species Presence Material Notes Images Phlyctaenius P. acadicus Fragments of exoskeleton and dermal plates. A phlyctaeniid. P. atholi...
Click to read more »Yiminaspis
Senin, 2026-05-18 08:45:51Yiminaspis is an extinct monospecific genus of primitive arthrodire placoderm fish from Emsian-aged marine strata in Yunnan, China. The type species Yiminaspis...
Click to read more »List of marine bony fishes of South Africa
Selasa, 2025-08-05 17:41:57contrasted with the Chondrichthyes (cartilaginous fish) and the extinct placoderms and acanthodians, which have endoskeletons primarily composed of cartilage...
Click to read more »Bruntonichthys
Jumat, 2026-04-24 12:57:09Bruntonichthys is an extinct monospecific genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period. Fossils are found in...
Click to read more »Bradyodonti
Jumat, 2026-03-27 05:39:00closer to living cartilaginous fishes and some descended from unrelated placoderms. This view has not been supported by subsequent authors, who continue...
Click to read more »Miracle Planet
Minggu, 2025-06-08 13:46:38Carboniferous. Animals included: Eusthenopteron, Dunkleosteus (identified as a placoderm), Acanthostega, Hyneria, Pederpes, Dinocephalian, Gorgonops, Diictodon...
Click to read more »Charles R. Eastman
Senin, 2025-05-26 13:29:10Pittsburgh's Carnegie Museum. His early studies and interests included the placoderms. While in Germany he examined a collection of fossil teeth from the "Chalk...
Click to read more »Rhinosteus
Selasa, 2026-05-19 01:32:33Rhinosteus is an extinct genus of small to medium selenosteid arthrodire placoderms of the Late Devonian known from the Upper Frasnian Kellwasserkalk facies...
Click to read more »Rhachiosteus
Jumat, 2026-04-24 12:58:29Rhachiosteus is an extinct monospecific genus of arthrodire placoderm from the Middle to Late Devonian of Germany. It is known only from a single specimen...
Click to read more »D. gracilis
Minggu, 2018-12-23 00:33:30Dinichthys gracilis, a synonym for Heintzichthys gouldii, an extinct placoderm fish species of the Devonian Drosera gracilis, a synonym for Drosera peltata...
Click to read more »Jagorina
Rabu, 2023-03-08 10:38:24Jagorina pandora is a rhenanid placoderm of Upper Frasnian Germany. As with other rhenanids, it was a flattened, skate-like fish protected in an armor...
Click to read more »Karl Rouillier
Rabu, 2026-04-29 23:15:07supposed bryozoan from the Moscow Jurassic. He however identified it as a placoderm fish and gave the name Bothriolepis jurensis Rouillier, 1847. Later, Trautschold...
Click to read more »Cuche Formation
Senin, 2026-04-27 03:05:04been described. Remains of the cartilaginous fish Antarctilamna sp., the Placoderms Asterolepis sp. and two species of Bothriolepis, the spiny shark ?Cheiracanthoides...
Click to read more »Yinostius
Selasa, 2026-05-19 02:45:09Yinostius is an extinct genus of heterosteid placoderm of the Middle Devonian known from remains discovered in China. This genus is known from Emsian-aged...
Click to read more »Hugh Miller
Kamis, 2026-05-28 08:44:14was named in his honour), and many Devonian fishes, including several placoderms (the arthrodire Millerosteus also honoured him), described in his popular...
Click to read more »Neopetalichthys
Rabu, 2026-03-04 08:47:22Neopetalichthys yenmenpaensis is an extinct petalichthid placoderm from the Early Devonian of China. The holotype and only known specimen is a poorly...
Click to read more »Hadrosteus
Jumat, 2026-04-24 12:57:43Hadrosteus is an extinct monospecific genus of large arthrodire placoderm from the Late Frasnian (Late Devonian) Kellwasserkalk facies of Bad Wildungen...
Click to read more »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...
Click to read more »Tujiaaspis
Jumat, 2026-05-08 11:35:53Tujiaaspis holotype. Other known vertebrates from that formation include the placoderm Xiushanosteus and the cartilaginous fish Shenacanthus, which shared the...
Click to read more »Lost Burro Formation
Sabtu, 2026-05-02 00:09:57formation in Death Valley National Park have produced fossils of the placoderm Dunkleosteus terrelli, a small cladodont shark, the crushing tooth of...
Click to read more »Coccosteina
Minggu, 2026-05-17 23:25:35Coccosteina is an extinct infraorder of placoderms, armored fish most diverse during the Devonian. However, the term is no longer in use, as modern cladistical...
Click to read more »Eskimaspis
Jumat, 2026-04-24 12:54:40Eskimaspis is an extinct monospecific genus of arthrodire placoderm fish from the Early Devonian period. The type species Eskimaspis heintzi was described...
Click to read more »Fallacosteus
Selasa, 2026-05-19 01:23:41Fallacosteus is an extinct monospecific genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period, found at the Gogo Formation...
Click to read more »Qianodus
Senin, 2026-01-12 22:22:54osteichthyans and chondrichthyans, but have not been reported in their placoderm ancestors. The proposed for Qianodus whorl-based dentition is a derived...
Click to read more »Sam Giles
Senin, 2026-01-12 22:03:48relationships of early fishes, including various extinct groups such as placoderms and the divergence of chondrichthyans (cartilaginous fish) and osteichthyans...
Click to read more »Reeve's Bonebed
Jumat, 2023-05-05 07:47:26assigned include: gastropods (snails) testudinata (turtles) Pholidosteids (Placoderms, armored fish) Reeve's Bonebed is known for the recovery of casts of the...
Click to read more »Jean-Pierre Lehman
Senin, 2026-03-09 21:54:19and the Devonian arthrodire placoderm fish Lehmanosteus are named in his honour. Lehman named the iconic Devonian placoderm Dunkleosteus in 1956. He also...
Click to read more »Minjinia
Selasa, 2025-04-22 05:32:27Minjinia turgenensis is a species of placoderm from the Devonian of Mongolia. It is known from a single specimen preserving part of the skull, including...
Click to read more »Tianjin Natural History Museum
Senin, 2025-11-24 01:12:19features modern and prehistoric sea life, such as icthyosaurs, sharks, placoderms, and octopodes, as well as many modern and prehistoric examples of underwater...
Click to read more »Canowindra grossi
Senin, 2025-03-31 11:54:35grossi Temporal range: Late Devonian C. grossi, surrounded by antiarch placoderms Remigolepis walkeri and Bothriolepis yeungae. Cast. Mandagery Sandstone...
Click to read more »List of long species names
Senin, 2026-06-01 23:46:55liaojiaoshanensis P'an & Wang, 1978 - order Petalichthyida. A fossil placoderm fish from the Early Devonian of China. It is named after Liaojiaoshan...
Click to read more »Hynerpeton
Senin, 2026-06-01 21:36:41fauna. The waterways were inhabited by a large variety of fish. Benthic placoderms such as the rare Phyllolepis, the common Groenlandaspis, and the abundant...
Click to read more »Psammosteida
Jumat, 2025-09-05 22:28:28Marek (2019). "Revision of the Early Devonian psammosteids from the "Placoderm Sandstone": Implications for their body shape reconstruction" (PDF). Palaeontologia...
Click to read more »Pimenteira Formation
Minggu, 2025-09-21 16:01:30indet. Picos Member. Dermal plates of an unidentified groenlandaspidid placoderm. Machaeracanthus M. sp. Picos Member. An acanthodian fish. Xenacanth indet...
Click to read more »Heterogaspis
Jumat, 2026-04-24 12:54:58Heterogaspis is an extinct genus of placoderm that lived during the Late Devonian period of Spitsbergen, Norway. Camp, Charles Lewis (1940). Bibliography...
Click to read more »Fedor Jagor
Minggu, 2026-03-01 14:21:24Trumpet-eared Bat, Phoniscus jagorii W. Peters, 1866 Late Devonian rhenanid placoderm, Jagorina pandora O. Jaekel, 1921 "Fedor Jagor". German Wikipedia. Retrieved...
Click to read more »Lyhoalepis
Jumat, 2026-04-24 12:55:18Lyhoalepis duckhoai is an arthrodire placoderm fish, which lived during the Early Devonian period in what is now Central Vietnam. Its fossils are found...
Click to read more »Diplognathus
Jumat, 2026-04-24 12:56:39Diplognathus is a genus of arthrodire placoderm from the Late Famennian Cleveland Shale of Late Devonian Ohio, known only from incomplete fragments of...
Click to read more »Deinodus
Kamis, 2025-11-06 06:01:11widest point, and are different in appearance from those reported in other placoderms (Long, 1997). The variety of shapes probably represents function rather...
Click to read more »Cowralepis
Senin, 2025-11-24 09:33:11Cowralepis is an extinct genus of phyllolepid placoderm of Givetian Cowra, New South Wales, and several juveniles of various stages of growth have also...
Click to read more »Canadensis
Rabu, 2024-12-18 01:08:18anomalous shrimp Bothriolepis canadensis, a Late Devonian species of placoderm fish Brachylophosaurus canadensis, a mid-sized member of the hadrosaurid...
Click to read more »List of lagerstätten
Kamis, 2026-06-04 03:37:31Sébastien; Clément, Gaël; Daeschler, Edward B.; Dupret, Vincent (2016-08-23). "Placoderm Assemblage from the Tetrapod-Bearing Locality of Strud (Belgium, Upper...
Click to read more »Exutaspis
Jumat, 2026-04-24 12:54:42Exutaspis megista is an extinct, "giant" buchanosteid arthrodire placoderm. Its fossils have been found in the Late Emsian-aged marine strata of the Jiucheng...
Click to read more »Westralichthys
Jumat, 2026-04-24 12:58:43This article about a placoderm is a stub. You can help Wikipedia by adding missing information....
Click to read more »List of the Paleozoic life of Iowa
Jumat, 2026-03-13 12:57:27Life restoration of the Late Devonian placoderm fish Ptyctodus...
Click to read more »Cathlesichthys
Jumat, 2026-04-24 12:54:18around 20 cm. Young, Gavin C. (2004). "Large brachythoracid arthrodires (Placoderm fishes) from the early Devonian of Wee Jasper, New South Wales, Australia...
Click to read more »Campbellodus
Senin, 2026-04-27 04:25:15Campbellodus decipiens is an extinct ptyctodontid placoderm fish that lived around 380 million years ago (Late Devonian). Its fossil remains have been...
Click to read more »Wufengshania
Jumat, 2022-04-22 10:12:31group of Vietnamaspis. List of placoderms Zhaohui Pan; Min Zhu; You’An Zhu; Liantao Jia (2018). "A new antiarch placoderm from the Emsian (Early Devonian)...
Click to read more »Alex Ritchie
Senin, 2025-12-15 12:32:12which he subsequently identified as Groenlandaspis a Devonian freshwater placoderm that had been found in Greenland in 1929-1931. The site where many of...
Click to read more »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...
Click to read more »Rhamphodopsis
Senin, 2026-04-27 04:25:29Rhamphodopsis is a genus of extinct ptyctodont placoderm from the Middle Devonian Old Red Sandstone of Scotland. There are two species of Rhamphodopsis...
Click to read more »Placolepis
Kamis, 2024-08-01 00:32:18Placolepis is an extinct genus of phyllolepid placoderm first discovered in New South Wales. Placolepis was the most widespread phyllolepid genus, with...
Click to read more »Mizia
Sabtu, 2023-01-14 21:48:22Mizia 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...
Click to read more »Heintzosteus
Jumat, 2026-04-24 12:57:47Heintzosteus is an extinct genus of placoderm arthrodire fish, which lived during the Late Devonian period in Spitsbergen, Norway.[citation needed] Within...
Click to read more »Paleolophus
Kamis, 2026-04-23 07:56:44high diversity in the jawless fish group Galeaspida along with early Placoderms and lobe-finned fish. Qiao, Tuo; Cui, Xindong; Zhao, Wenjin; Liu, Chengxi;...
Click to read more »Orcadian Basin
Jumat, 2026-05-01 10:23:46least one example of all the following groups have been found there. placoderms acanthodians actinopterygians porolepiforms osteolepiforms dipnoans Very...
Click to read more »Antineosteus
Jumat, 2026-04-24 12:53:54Vaškaninová, V.; Kraft, P. (2014-06-09). "The largest Lower Devonian placoderm - Antineosteus rufus sp. nov. from the Barrandian area (Czech Republic)"...
Click to read more »Remigolepis
Jumat, 2025-10-03 14:53:49Remigolepis is a genus of antiarch placoderm from Devonian. Species are described from East Greenland, China, Tula region of Russia, Kyrgyzstan, Australia...
Click to read more »Arabosteus
Rabu, 2025-04-16 18:35:51Arabosteus is an extinct genus of palaecanthaspid placoderm that inhabited what is now Saudi Arabia during the Early Devonian epoch. Its only species...
Click to read more »John A. Long
Jumat, 2026-05-22 08:07:18exceptional preservation of fossils of this age. One of Long's discoveries, the placoderm Mcnamaraspis, made history by becoming Australia's first official state...
Click to read more »Palaeomylus
Senin, 2026-04-27 04:25:25Palaeomylus (meaning 'ancient grinder') is an extinct Devonian ptychodontid placoderm fish. There are seven species accepted in this genus: Palaeomylus hussakofi...
Click to read more »Torosteus
Selasa, 2026-05-19 03:18:30Torosteus is an extinct genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period. Fossils are found in the Kimberley region...
Click to read more »Panxiosteidae
Selasa, 2026-05-19 04:13:33Panxiosteidae is an extinct family of arthrodire placoderms that lived during the Devonian period. The family Panxiosteidae was erected by Wang in 1979...
Click to read more »Yahatinda Formation
Rabu, 2025-07-30 07:35:44Not many fossils have been found within the Yahatinda Formation though placoderms, lobe-finned fish, and jawless fish have been found. Two distinct environments...
Click to read more »Evolution of tetrapods
Senin, 2026-01-12 07:30:01Devonian fishes, including an early shark Cladoselache, Eusthenopteron and other lobe-finned fishes, and the placoderm Bothriolepis (Joseph Smit, 1905)....
Click to read more »Quasipetalichthyidae
Kamis, 2026-05-21 15:27:57Quasipetalichthyidae is an extinct family of primitive petalichthyid placoderms from Givetian-aged marine strata of Yunnan, China, and possibly Vietnam...
Click to read more »Heintzichthys
Senin, 2026-05-18 21:41:43Heintzichthys is an extinct monospecific genus of arthrodire placoderm that lived what is now Europe and North America during the Famennian stage of the...
Click to read more »Prioniodontida
Kamis, 2023-01-12 08:50:58†Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms †Antiarchi †Arthrodira †Brindabellaspida †Petalichthyida †Phyllolepida...
Click to read more »Pseudopetalichthys
Senin, 2025-11-24 12:17:19Pseudopetalichthys problematica is a lightly armored pseudopetalichthyid placoderm from the Hunsrückschiefer Lagerstätte of Early Devonian Germany. The holotype...
Click to read more »List of the Paleozoic life of Pennsylvania
Sabtu, 2026-03-07 11:31:20Fossilized bony armor of the Late Devonian placoderm fish Bothriolepis...
Click to read more »Taemasosteus
Jumat, 2026-04-24 12:56:14Taemasosteus is an extinct genus of arthrodire placoderm. Its fossils have been found in Emsian-aged marine strata in New South Wales, Australia. It contains...
Click to read more »Synauchenia
Minggu, 2024-01-07 00:08:58and Brachydeirus, and accordingly placed within Brachydeiridae. List of placoderms Denison, Robert (1978). Handbook of Paleoichthyology, Volume 2, Placodermi...
Click to read more »Bokkeveld Group
Jumat, 2025-06-27 08:01:22Rare bony fish fossils have also been found, mainly of placoderm fishes, although placoderm fish are mainly known from rocks of the overlying Witteberg...
Click to read more »Aethaspis
Sabtu, 2024-07-20 05:59:44Aethaspis is an extinct genus of arthrodire placoderm fish from the Devonian period. Two species were described by Denison in 1958: Aethapsis major and...
Click to read more »Eugeneodontidae
Senin, 2026-05-18 03:39:50paleoecological constraints on paleozoic vertebrates (chondrichthyans and placoderms) in the Ardenne Massif Shark radiations in the Famennian on both sides...
Click to read more »Arctaspis
Selasa, 2026-05-12 17:07:20Arctaspis is an extinct genus of placoderm fish, which lived during the Devonian period in what is now Norway. Camp, Charles Lewis (1940). Bibliography...
Click to read more »Selenosteus
Kamis, 2026-04-09 21:07:46Selenosteus brevis is an extinct large selenosteid arthrodire placoderm known from the Famennian Cleveland Shale of Ohio. Scrappy remains from the Frasnian...
Click to read more »Belemnacanthus
Kamis, 2026-02-19 14:58:39arrow-spine") is a large, extinct, barrel-shaped holonematid arthrodire placoderm from Givetian-aged strata of Middle Devonian Eifel, Germany. B. giganteus...
Click to read more »Camuropiscis
Selasa, 2026-05-19 01:23:45Camuropiscis is an extinct genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period, found at the Gogo Formation of Kimberley...
Click to read more »Errolosteus
Jumat, 2026-04-24 12:54:36Errolosteus goodradigbeensis is an extinct buchanosteid arthrodire placoderm. Its fossils have been found in Emsian-aged marine strata of New South Wales...
Click to read more »Os opticus
Selasa, 2026-01-13 10:30:20similar but likely non-homologous structure has been found in the fossil placoderm fish Dunkleosteus. The os opticus reinforces the posterior of the eyeball...
Click to read more »Anarthraspis
Jumat, 2026-04-24 12:57:01Anarthraspis is an extinct genus of arthrodire placoderm fishes which lived during the Early Devonian period. It contains two species described in 1932...
Click to read more »Walterosteus
Jumat, 2026-04-24 12:56:28Walterosteus is an extinct genus of small selenosteid arthrodire placoderms known from the Upper Frasnian Kellwasserkalk facies of Late Devonian Germany...
Click to read more »Brachyosteus
Selasa, 2026-05-19 03:18:46Brachyosteus is an extinct genus of arthrodire placoderm from the Late Frasnian stage of the Late Devonian period. Fossils are found from Bad Wildungen...
Click to read more »Austrophyllolepis
Rabu, 2025-04-30 07:00:46Austrophyllolepis is an extinct genus of phyllolepid arthrodire placoderm from Middle to Late Devonian freshwater strata of Australia. The type species...
Click to read more »Austroptyctodus
Senin, 2026-04-27 04:25:13Austroptyctodus gardineri is a small ptyctodontid placoderm fish from the Upper Devonian Gogo Formation of Western Australia. First described by Miles...
Click to read more »Turrisaspis
Jumat, 2026-04-24 12:56:26Turrisaspis is an extinct genus of groenlandaspid arthrodire placoderm . It is known only from trunk fragments from the Catskill Formation from the Upper...
Click to read more »Coccosteomorphi
Jumat, 2026-04-24 12:57:21Coccosteomorphi is an extinct clade of arthrodire placoderms within the Eubrachythoraci (of the suborder Brachythoraci), armored fish most diverse during...
Click to read more »Brochoadmones
Jumat, 2026-01-30 05:56:20Jia, Liantao; Blom, Henning; Zhu, You’an (October 2013). "A Silurian placoderm with osteichthyan-like marginal jaw bones". Nature. 502 (7470): 188–193...
Click to read more »Pauropetalichthys
Selasa, 2025-06-17 00:04:51Min; Zhu, You’an; Jia, Liantao (31 March 2015). "A new petalichthyid placoderm from the Early Devonian of Yunnan, China". Comptes Rendus Palevol. 14...
Click to read more »Herasmius
Selasa, 2026-05-19 02:45:13Herasmius is an extinct genus of heterosteid placoderm from the Devonian period. Fossils have been discovered freshwater deposits in Norway and Canada...
Click to read more »Brachydeiroidea
Minggu, 2026-04-19 22:52:20Brachydeiroidea is a superfamily of small to moderately large-sized arthrodire placoderms from the Late Devonian of Europe and Eastern North America. Brachydeiroids...
Click to read more »Parabuchanosteus
Jumat, 2026-04-24 12:55:42Parabuchanosteus murrumbidgeensis is an extinct buchanosteid arthrodire placoderm. Its fossils have been found in the Late Emsian-aged marine strata of...
Click to read more »Goodradigbeeon
Jumat, 2026-04-24 12:54:48Goodradigbeeon is an extinct genus of buchanosteid arthrodire placoderm. Its fossils have been found in Emsian-aged marine strata from the Taemas-Wee...
Click to read more »Buchanosteus
Jumat, 2026-04-24 12:54:10Buchanosteus is an extinct genus of arthrodire placoderm. Its fossils have been found in Early Devonian-aged marine strata throughout Asia and Australia...
Click to read more »Rhenonema
Jumat, 2026-04-24 12:56:02thread of Eifel") is a large, extinct, high-crested holonematid arthrodire placoderm from Givetian-aged strata of Middle Devonian Gerolstein, Germany. It is...
Click to read more »Stenosteus
Selasa, 2026-05-19 01:29:13an extinct monospecific genus of medium-sized selenosteid arthrodire placoderms of the Late Devonian period known from the Upper Famennian Cleveland Shale...
Click to read more »Phyllolepididae
Kamis, 2026-05-21 14:59:57of two families of phyllolepid placoderms. The family, as a whole, is believed to be descended from the Chinese placoderm, Gavinaspis (which forms the other...
Click to read more »Ignacio Formation
Rabu, 2025-07-02 08:18:20Ordovician zircon grain in the formation and the presence well-dated placoderm fish plates. This conclusion has been shared by some subsequent researchers...
Click to read more »Atlantidosteus
Jumat, 2026-04-24 12:54:02This article about a placoderm is a stub. You can help Wikipedia by adding missing information....
Click to read more »Simblaspis
Jumat, 2026-04-24 12:56:10Simblaspis is an extinct monospecific genus of arthrodire placoderm fish of the Early Devonian period. The type species Aleosteus eganensis was described...
Click to read more »Yurammia
Rabu, 2026-03-11 04:45:42Yurammia 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...
Click to read more »Zhanjilepis
Kamis, 2021-04-29 19:42:39Zhanjilepis aspartilis is an extinct yunnanolepid placoderm from Pridoli and Lochkovian rocks of Hunan, China. Zhanjilepis is known only from distinctively...
Click to read more »Belén Formation
Jumat, 2026-04-24 21:43:35taxon Notes Images Bolivosteus B. chacomensis Asterosteidae Only known placoderm from the Malvinokaffric realm Pucapampella P. rodrigae Stem-Chondrichthyes...
Click to read more »Draconichthys
Minggu, 2024-01-07 00:17:48millimetres in length. RÜCKLIN, MARTIN (January 14, 2011). "First selenosteid placoderms from the eastern Anti-Atlas of Morocco; osteology, phylogeny and palaeogeographical...
Click to read more »Xujiachong Formation
Jumat, 2026-02-06 23:37:23Guorui, Z. (5 December 1992). "The Sinolepidae, a family of antiarchs (placoderm fishes) from the Devonian of South China and eastern Australia". Records...
Click to read more »Phymosteus
Jumat, 2026-04-24 12:56:45Phymosteus liui is an extinct large selenosteid arthrodire placoderm known from the Lower Famennian Xiejingshi Formation of Shimen County, Hunan province...
Click to read more »List of the Paleozoic life of Ohio
Sabtu, 2026-03-07 11:31:17Life restoration of the Late Devonian placoderm fish Dunkleosteus...
Click to read more »Elegantaspis
Jumat, 2026-01-30 12:25:46Elegantaspis reticornis is an arthrodire placoderm fish, which lived during the Early Devonian period in Spitsbergen, Norway. Bibliography of Fossil Vertebrates...
Click to read more »Neophlyctaenius
Jumat, 2026-04-24 12:55:32Neophlyctaenius 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)...
Click to read more »Waterloo Farm lagerstätte
Sabtu, 2026-02-07 02:10:31Taylor, more material was found including remains of large armour-plated (placoderm) fish, later identified as Africa's only known species of Bothriolepis...
Click to read more »Cosmacanthus
Jumat, 2026-04-24 12:54:24Cosmacanthus is an extinct genus of placoderms in the extinct family Groenlandaspididae that lived during the Late Devonian in Ireland, the UK, Russia...
Click to read more »Phymolepis
Jumat, 2026-02-27 13:53:30Phymolepis is an extinct genus of yunnanolepidid placoderm from the Early Devonian of China. The type species, P. cuifengshanensis, was named by Zhang...
Click to read more »Eurycaraspis
Sabtu, 2025-09-06 18:34:48Eurycaraspis incilis is an extinct petalichthyid placoderm from the Middle Devonian of China. It is closely related to Quasipetalichthys. Eurycaraspis...
Click to read more »Quadratojugal bone
Minggu, 2025-10-19 08:17:56bone similar in position to the quadratojugal has been observed in the placoderm Entelognathus and some early actinopterygiians (Mimipiscis, Cheirolepis)...
Click to read more »Johannaspis
Jumat, 2025-06-06 11:32:292020). "New genus of homostiid arthrodire contributes to the revision of placoderm diversity in the Early Devonian of the Prague Basin". Alcheringa: An Australasian...
Click to read more »Mace Brown Museum of Natural History
Minggu, 2026-05-31 23:20:37There 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...
Click to read more »Heightingtonaspis
Sabtu, 2024-06-29 08:39:58Heightingtonaspis is an extinct genus of primitive arthrodire placoderm fish from the Devonian period in Great Britain, and currently contains three species...
Click to read more »Yunnanolepididae
Selasa, 2026-05-19 01:53:04Yunnanolepididae is an extinct family of primitive Antiarch placoderms characterized by having short, broad skull roofs, and by having a feature on the...
Click to read more »Buchanosteidae
Rabu, 2024-05-22 02:50:50Buchanosteidae is a family of arthrodire placoderms that lived from the Early to Middle Devonian. Fossils appear in various strata in Russia, Central Asia...
Click to read more »Yujiangolepis
Jumat, 2026-04-24 12:58:47Yujiangolepis is an extinct monospecific genus of arthrodire placoderm fish from the Pragian stage of the Devonian period. The type species is Yujiangolepis...
Click to read more »Oxyosteus
Minggu, 2024-01-07 00:11:08Oxyosteus is a genus of trout-sized, highly compressed arthrodire placoderms from the Late Devonian of Europe: The two described species are restricted...
Click to read more »Golshanichthys
Selasa, 2026-05-19 03:17:58This article about a placoderm is a stub. You can help Wikipedia by adding missing information....
Click to read more »Maideria
Kamis, 2026-05-21 15:03:03Maideria falipoui is a long-snouted brachythoracid arthrodire placoderm from the Lower Middle Givetian epoch of Middle Devonian South Morocco, in what...
Click to read more »Onychodus
Senin, 2026-05-18 08:04:39fossil specimen of Onychodus from Western Australia was found with a placoderm fish half its length logged in its throat. This interesting find was described...
Click to read more »Pageauaspis
Jumat, 2026-04-24 12:55:36Pageauaspis is an extinct placoderm fish, which lived during the Devonian period of North America. Dupret, Vincent; Goujet, Daniel; Mark-Kurik, Elga (2007)...
Click to read more »Microsteus
Minggu, 2024-01-07 01:08:35Microsteus is an extinct genus of small selenosteid arthrodire placoderms known from the Upper Frasnian Kellwasserkalk facies of Late Devonian Germany...
Click to read more »Beacon Supergroup
Senin, 2025-11-03 21:56:50Aztec sandstone contains units bearing body fossils of fish: Phyllolepid placoderms, and thelodonts, abundant in fish beds, and conchostracans. The presence...
Click to read more »Wuttagoonaspidae
Senin, 2026-05-18 08:45:43Wuttagoonaspidae is a family of extinct primitive arthrodire placoderm fishes from Early Devonian China and Middle Devonian Australia. It contains two...
Click to read more »Phlyctaenius
Jumat, 2026-04-24 12:55:44Phlyctaenius is an extinct genus of placoderm fish, which lived during the Devonian period of New Brunswick, Canada. It was named by Traquair (1890) as...
Click to read more »Ceraspis
Rabu, 2025-06-18 22:45:20Schultze 1887 is also an extinct (and preoccupied) name for a genus of placoderm. "Ceraspis Le Peletier de Saint-Fargeau & Audinet-Serville, 1828". Catalogue...
Click to read more »Braunosteus
Minggu, 2024-01-07 00:15:46ISBN 9780895740274. RÜCKLIN, MARTIN (January 14, 2011). "First selenosteid placoderms from the eastern Anti-Atlas of Morocco; osteology, phylogeny and palaeogeographical...
Click to read more »List of the Paleozoic life of Missouri
Sabtu, 2025-06-14 16:49:52Life restoration of the Late Devonian placoderm fish Ptyctodus...
Click to read more »List of fossiliferous stratigraphic units in Colombia
Senin, 2026-04-27 03:04:17Lingula sp. Frasnian Early Givetian Floresta Fm. Platyceras aff. nodosum Placoderm fishes, Colombianaspis carvalhoae gen. et sp. nov., Schizobolus pilasiensis...
Click to read more »Brachydeirus
Sabtu, 2024-05-18 01:00:34Brachydeirus is a genus of small to moderately large-sized arthrodire placoderms from the Late Devonian of Europe, restricted to the Kellwasserkalk Fauna...
Click to read more »Africanaspis
Senin, 2025-09-29 08:37:16Africanaspis is an extinct genus of groenlandaspidid placoderm known from two species, Africanaspis doryssa, named in 1997 from fossils discovered in...
Click to read more »Tropidosteus
Jumat, 2026-04-24 12:56:24Tropidosteus curvatus is a large, extinct holonematid arthrodire placoderm from the Givetian-aged Crinoidenmergel stratum of Middle Devonian Rheinland...
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