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Extinct genus of fishes From Wikipedia, the free encyclopedia
Cosmoptychius is an extinct genus of freshwater and estuarine ray-finned fish that lived during the Mississippian epoch.[1][2] It contains a single species, C. striatus from the Visean of Scotland.[3] It has a wide stratigraphic range in the Wardie Shale, with many specimens known.[4][5]
Cosmoptychius Temporal range: | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Family: | †Cosmoptychiidae Gardiner, 1963 |
Genus: | †Cosmoptychius Traquair, 1877 |
Species: | †C. striatus |
Binomial name | |
†Cosmoptychius striatus (Agassiz, 1835) | |
Synonyms | |
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Initially classified as either a palaeonisciform (a now-paraphyletic group of basal actinopterygians)[6] or the earliest stem-group neopterygian, it is now generally considered a stem-group actinopteran.[7]
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