Ptycholepiformes
Extinct order of fishes / From Wikipedia, the free encyclopedia
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Ptycholepiformes are an extinct order of prehistoric ray-finned fish that existed during the Triassic period and the Early Jurassic epoch.[1][2] The order includes the genera Acrorhabdus, Ardoreosomus, Boreosomus, Chungkingichthys, Ptycholepis, and Yuchoulepis. Although several families have been proposed, some studies place all these genera in the same family, Ptycholepididae.[3]
Quick Facts Scientific classification, Families ...
Ptycholepiformes | |
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Ptycholepis bollensis fossil | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | †Ptycholepiformes Andrews et al. 1967 |
Families | |
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Ptycholepiformes had a widespread distribution during the Early Triassic, but were restricted to mainly Europe and North America afterwards. They are known from both marine and freshwater deposits.