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Extinct genus of fishes From Wikipedia, the free encyclopedia
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]
Cycloptychius Temporal range: Artinskian occurrence Possible | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Family: | †Rhadinichthyidae |
Genus: | †Cycloptychius Young, 1866 |
Species | |
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It contains the following species:[5]
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