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Clade Synapsida Osborn 1903 (synapsid)

Osteichthyes

PaleoDB taxon number: 99791

Synonym: Protherosauria Osborn 1902 [replaced name] (taxon 172478)

Full reference: H. F. Osborn. 1903. On the primary division of the Reptilia into two sub-classes, Synapsida and Diapsida. Science 17(424):275-276

Parent taxon: Amniota according to M. Laurin and R. R. Reisz 1995

Sister taxa: Anningia, Anningia megalops, Cincosaurus, Colognathus, Dicondylia, Kraterokheirodon, Mesosauria, Monocondylia, Notalacerta, Plagiaulax dawsoni, Sauropsida, Vitalia

Subtaxa: Brasilichnium, Eupelycosauria, Pelycosauria, Therapsida

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Ecology: