outgroup
Palaeagama
Acerosodontosaurus
Tangasaurus
Saurosternon
Coelurosauravus
Youngina
Prolacerta
Paliguana
Kuehneosaurus
Marmoretta
Sophineta
SQUAMATA
Gephyrosaurus_bridensis
Diphydontosaurus
Planocephalosaurus_robinsonae
Clevosaurus_mcgilli
Clevosaurus_bairdi
Clevosaurus_petilius
Clevosaurus_wangi
Polysphenodon_muelleri
Rebbanasaurus
Sphenovipera
Theretairus
Godavarisaurus
Sphenocondor
Homeosaurus_maximilliani
Pamizinsaurus
Clevosaurus_hudsoni
Brachyrhinodon_taylori
Sapheosaurus_thiolleri
Kallimodon
Palaeopleurosaurus_posidoniae
Pleurosaurus_ginsburgi
Pleurosaurus_goldfussi
Oenosaurus
Zapatadon
Cynosphenodon_huizachalensis
Sphenodon_punctatus
Ankylosphenodon
Kawasphenodon
Opisthias
Kaikaifilusaurus
Toxolophosaurus
Priosphenodon
Eilenodon