†Scoliomus Williston and Case 1915 (pelycosaur)
Parent taxon: Pelycosauria according to R. L. Carroll 1988
Sister taxa: Bathygnathus, Caseamorpha, Caseasauria, Clepsydropidae, Edaphosauria, Luperosaurus, Milosaurus, Nitosaurus, Ophiacodontia, Protoclepsydrops, Thalattosauria, Trichasaurus, Xyrospondylus
Subtaxa: none
Ecology: