1. Review of the Pelycosauria: Geological Society of America Special Publications;AS Romer,1940
2. Oedaleops campi (Reptilia: Pelycosauria) new genus and species from the lower Permian of New Mexico and the family Eothyrididae;W Langston Jr;Bul. Tex. Mem. Mus,1965
3. Hanbuch der Paleoherpetologie;RR Reisz,1986
4. New genera and species of pelycosaurian reptiles;AS Romer;Proc. New Engl. ZoClub,1937
5. Eothyris and Oedaleops: do these Early Permian synapsids from Texas and New Mexico form a clade?;RR Reisz;Journal of Vertebrate Paleontology,2009