Younginia
Squamata
Gephyrosaurus
Diphydontosaurus
Planocephalosaurus
Brachyrhinodon
Clevosaurus_hudsoni
Clevosaurus_wangi
Cynosphenodon
Homoeosaurus
Kallimodon
Oenosaurus
Pamizinsaurus
Sapheosaurus
Sphenodon
Zapatadon
Opisthias
Toxolophosaurus
Eilenodon
Priosphenodon
Palaeopleurosaurus
Pleurosaurus