(Youngina,(Gephyrosaurus,(Eichstaettisaurus,Pristidactylus),(Diphydontosaurus,(Micromenodon_pitti,(Planocephalosaurus,(Rebbanasaurus,(Godavarisaurus,Sphenocondor)),(Polysphenodon,(((Homoeosaurus_maximiliani,Homoeosaurus_cf_maximiliani),((Pamizinsaurus,(Palaeopleurosaurus,(Pleurosaurus_goldfussi,Pleurosaurus_ginsburgi)),(Zapatadon,Sphenodon,Cynosphenodon,Opisthias,Ankylosphenodon,Sphenovipera,Theretairus,Oenosaurus,Pelecymala,Clevosaurus_latidens,(Sphenotitan,(Priosphenodon,(Toxolophosaurus,Eilenodon))),(Kawasphenodon_expectatus,Kawasphenodon_peligrensis))),(Kallimodon_pulchellus,Kallimodon_cerinensis,Sapheosaurus))),(Brachyrhinodon,Clevosaurus_convalis,Clevosaurus_hudsoni,Clevosaurus_bairdi,Clevosaurus_petilus,Clevosaurus_sp_SAM,Clevosaurus_brasiliensis,Clevosaurus_hadroprodon))))))));