Youngina
Gephyrosaurus
Pristidactylus
Diphydontosaurus
Planocephalosaurus
Rebbanasaurus
Sphenocondor
Godavarisaurus
Clevosaurus_hudsoni
Brachyrhinodon
Zapatadon
Sphenodon
Pamizinsaurus
Palaeopleurosaurus
Homoeosaurus
Cynosphenodon
Ankylosphenodon
Theretairus
Sphenovipera
Sapheosaurus
Kallimodon
Opisthias
Kawasphenodon
Toxolophosaurus
Kaikaifilusaurus
Eilenodon