Acleistorhinus
Extinct genus of reptiles / From Wikipedia, the free encyclopedia
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Acleistorhinus (ah-kles-toe-RYE-nuss) is an extinct genus of parareptile known from the Early Permian (middle Kungurian stage) of Oklahoma.[1] It is notable for being the earliest known anapsid reptile yet discovered. The morphology of the lower temporal fenestra of the skull of Acleistorhinus bears a superficial resemblance to that seen in early synapsids, a result of convergent evolution. Only a single species, A. pteroticus, is known, and it is classified in the Family Acleistorhinidae, along with Colobomycter (also from the Early Permian of Oklahoma).
Quick Facts Scientific classification, Type species ...
Acleistorhinus | |
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Illustration of Acleistorhinus skull | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Clade: | †Parareptilia |
Order: | †Procolophonomorpha |
Family: | †Acleistorhinidae |
Genus: | †Acleistorhinus Daly, 1969 |
Type species | |
†Acleistorhinus pteroticus Daly, 1969 |
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