Amniota - Pelycosauria

Full reference: R. DeMar. 1970. A Primitive Pelycosaur from the Pennsylvanian of Illinois. Journal of Paleontology 44(1):154-163

Parent taxon: Pelycosauria according to R. R. Reisz 1986

Sister taxa: Bathygnathus, Caseamorpha, Caseasauria, Clepsydropidae, Edaphosauria, Luperosaurus, Nitosaurus, Ophiacodontia, Protoclepsydrops, Scoliomus, Thalattosauria, Trichasaurus, Xyrospondylus

Subtaxa: Milosaurus mccordi

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Type: Milosaurus mccordi

Ecology: