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†order Pelycosauria Cope 1878 (pelycosaur)

Osteichthyes - Synapsida

PaleoDB taxon number: 138244

Full reference: E. D. Cope. 1878. Descriptions of extinct Batrachia and Reptilia from the Permian formations of Texas. Proceedings of the American Philosophical Society 17:505-530

Parent taxon: Synapsida according to W. Langston and R. R. Reisz 1981

Sister taxa: Brasilichnium, Eupelycosauria, Therapsida

Subtaxa: Caseamorpha, Caseasauria, Clepsydropidae, Echinerpeton, Edaphosauria, Milosaurus, Nitosaurus, Ophiacodontia, Protoclepsydrops, Scoliomus, Xyrospondylus

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Ecology: