Cycloptychius

Cycloptychius
Temporal range: Tournaisian–Moscovian[1] Possible Artinskian occurrence
Specimen of C. carbonarius
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Family: †Rhadinichthyidae
Genus: †Cycloptychius
Young, 1866
Species
  • †C. bidens Matveeva, 1958
  • †C. carbonarius Young, 1866
  • †C. concentricus Traquair, 1881
  • ?†C. loocki Evans, 2005

Cycloptychius is an extinct genus of prehistoric freshwater & marine ray-finned fish that existed throughout much of the Carboniferous period in Eurasia, and possibly into the Early Permian in South Africa.[2][1] It was a member of the Rhadinichthyidae, a family of basal ray-finned fish that was formerly placed in the now-paraphyletic order Palaeonisciformes.[3][4]

It contains the following species:[2]

Specimen of C. concentricus

See also

References

  1. ^ a b Schultze, Hans-Peter; Mickle, Kathryn E.; Poplin, Cecile; Hilton, Eric J.; Grande, Lance (2021). Handbook of Paleoichthyology, 8A. Actinopterygii I. Palaeoniscimorpha, Stem Neopterygii, Chondrostei. München: Dr. Friedrich Pfeil. p. 299. ISBN 978-3-89937-272-4.
  2. ^ a b "PBDB Taxon". paleobiodb.org. Retrieved 2024-07-18.
  3. ^ Lund, Richard; Poplin, Cécile (1997-09-04). "The rhadinichthyids (paleoniscoid actinopterygians) from the Bear Gulch Limestone of Montana (USA, Lower Carboniferous)". Journal of Vertebrate Paleontology. 17 (3): 466–486. doi:10.1080/02724634.1997.10010996. ISSN 0272-4634.
  4. ^ Mickle, Kathryn E. (2012-05-31). Unraveling the Systematics of Palaeoniscoid Fishes--Lower Actinopterygians in Need of a Complete Phylogenetic Revision. University of Kansas (dissertation). p. 488.
  5. ^ Evans, F. J. (Fiona Jocelyn) (2005). Taxonomy, palaeoecology and palaeobiogeography of some palaeozoic fish of Southern Gondwana (Thesis). Stellenbosch : Stellenbosch University.
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