Biology:Eurynotoides
Eurynotoides is an extinct genus of prehistoric freshwater ray-finned fish[1] in the family Eurynotoididae of the order Eurynotoidiformes. It is known from the mid-late Permian of south-central Russia.[2][3]
Taxonomy
The genus was erected by Berg in 1940. In 1974, Sergienko described a new genus and species Heterolepis multa from the Middle Permian (Roadian to Wordian)[3] of Kemerovo Region, Russia, as a new member of the Palaeoniscidae family. However, Heterolepis was already in use for the extant snake Heterolepis capensis (Smith, 1847), making Sergienko's naming a junior homonym. In 2023, A. S. Bakaev reclassified "Heterolepis" multa into Eurynotoides as E. multa. This species is different from E. nanus and E. costatus by having ganoin peninsula-shaped structures on the anterior margin of the scale as well as by the presence of denticles on both posterior and lower edge of the scale.[2]
See also
- Prehistoric fish
- List of prehistoric bony fish
References
- ↑ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology 364: 560. Archived from the original on July 23, 2011. https://web.archive.org/web/20110723131237/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class. Retrieved 2009-02-27.
- ↑ 2.0 2.1 A. S. Bakaev (2023). "Revision of Permian Ray-Finned Fishes from the Kazankovo-Markino Formation of the Kuznetsk Basin". Paleontological Journal 57 (3): 335-342. doi:10.1134/S0031030123030036. https://www.researchgate.net/publication/372079651.
- ↑ 3.0 3.1 "PBDB Taxon". https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=txn:35005.
External links
Template:Actinopterygian genera Wikidata ☰ Q5414047 entry
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