After Carroll, 1988, and Reisz, 2005, with species from “The Paleobiology Database”
<==o †Caseidae Williston, 1911 |?- †Phreatophasma aenigmaticum Efremov, 1954 |--o †Angelosaurus Olson & Beerbower, 1953 | |-- †A. dolani Olson & Beerbower, 1953 | |-- †A. greeni Olson, 1962 | `-- †A. romeri Olson & Barghusen 1962 |--o †Casea Williston, 1910 | |-- †C. broilli Williston, 1910 | |-- †C. halselli Olson, 1954 | |-- †C. nicholsi Olson, 1954 | `-- †C. rutena Sigogneau-Russel & Russell, 1974 |--o †Caseopsis Olson, 1962 | |-- †C. agilis Olson, 1962 | `-- †C. sp. cf. C. agilis |--o †Cotylorhynchus Stovall, 1937 | |-- †C. bransoni Olson & Barghusen, 1962 | |-- †C. hancocki Olson & Beerbower, 1953 | `-- †C. romeri Stovall, 1937a |-- †Ennatosaurus tecton Efremov, 1956 |-- †Caseoides sanangelensis Olson & Beerbower, 1953 `-- †Oromycter dolesorum Reisz, 2005; L.Perm. CNAm.
Reference(s):
- Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698 - Carroll, R. L., 1988: Appendix. 594-648.
in Carroll, R. L. 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698 - Langston, W. & Reisz, R. R., 1981: Aerosaurus wellesi, new species, a varanopseid mammal-like reptile (Synapsida: Pelycosauria) from the Lower Permian of New Mexico.
–Journal of Vertebrate Paleontology: Vol. 1, #1, pp. 73-96 - Laurin, M. & Reisz, R. R., 1997-1998: Synapsida – Mammals and their extinct relatives.
–iNet: The Tree of Life: http://tolweb.org/tree/eukaryotes/animals/chordata/synapsida.html - Laurin , M. & Reisz, R. R., 1997: Autapomorphies of the main clades of synapsids.
–iNet: The Tree of Life: http://tolweb.org/tree/eukaryotes/animals/chordata/synapsidlichen/synapsidasynapomorphies.html - Reisz, R. R., 2005: Oromycter, a new caseid from the Lower Permian of Oklahoma.
–Journal of Vertebrate Paleontology: Vol. 25, #4, pp. 905-910
Special thanks to:
Jos H. M. Dols, for gathering additional information and species of these animals.