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Extinct genus of fishes From Wikipedia, the free encyclopedia
Eurynotoides is an extinct genus of prehistoric bony fish[1] in the family Eurynotoididae of the order Eurynotoidiformes.[2]
Eurynotoides Temporal range: Permian | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | †Eurynotoidiformes |
Family: | †Eurynotoididae |
Genus: | †Eurynotoides Berg, 1940 |
Species | |
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Synonyms | |
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The genus was erected by Berg in 1940. In 1974, Sergienko described a new genus and species Heterolepis multa from the Middle Permian (Kazanian) 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 redescribed "Heterolepis" multa as a new species in the genus Eurynotoides, 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]
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