Ancestor

Captorhinidae

Araeoscelidia

Hovasaurus

Youngina

Claudiosaurus

Odontochelys

Testudines

Kuehneosauridae

Squamata

Rhynchocephalia

Prolacertiformes

Choristodera

Archosauriformes

Trilophosaurus

Rhynchosauria

Ichthyopterygia

Thalattosauria

Hanosaurus

Eusaurosphargis

Helveticosaurus

Sinosaurosphargis

WinterswijkSkull

Paraplacodus

Pararcus_diepenbroeki

Placodus

Cyamodus

Psephoderma

Yunguisaurus

Plesiosaurus

Pistosaurus

Augustasaurus

Cymatosaurus

Corosaurus

Simosaurus

Germanosaurus

Lariosaurus

Nothosaurus

Diandongosaurus

Dianopachysaurus

Keichousaurus

AnaroDactylo

SerpianoNeustico

Wumengosaurus