Osteichthyes - Caseasauria - Caseidae

Full reference: R. R. Reisz. 2019. A small caseid synapsid, Arisierpeton simplex gen. et sp. nov., from the early Permian of Oklahoma, with a discussion of synapsid diversity at the classic Richards Spur locality. PeerJ 7:e6615

Parent taxon: Caseidae according to R. R. Reisz 2019

Sister taxa: Alierasaurus, Angelosaurus, Callibrachion, Casea, Caseoides, Caseopsis, Chelichnus, Cotylorhynchus, Datheosaurus, Ennatosaurus, Eocasea, Euromycter, Lalieudorhynchus, Martensius, Oromycter, Phreatophasma, Ruthenosaurus, Trichasaurus

Subtaxa: Arisierpeton simplex

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Type: Arisierpeton simplex

Ecology:

Distribution: found only at Richards Spur (Permian of Oklahoma)

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Specimen images are retrieved through the ePANDDA API.