Topic summary
Eureptilia

Extracted from the Wikipedia article Sauropsida.
Subdivisions
Eureptilia ("true reptiles") is one of the two traditional major subgroups of the clade Sauropsida, the other one being Parareptilia. Eureptilia includes Diapsida (the clade containing all modern reptiles and birds), as well as a number of primitive Permo-Carboniferous forms previously classified under Anapsida, in the old (no longer recognised) order "Cotylosauria", including Captorhinidae as well as Hylonomus and the "protorothyrids".