Testudines Linnaeus, 1758
Anthracodromeus Carroll & Baird, 1972
Brouffia Carroll & Baird, 1972
Cephalerpeton Moodie, 1913
Coelostegus Carroll & Baird, 1972
Hylonomus Dawson, 1860
Paleothyris Carroll, 1969
Protorothyris Price, 1937
