Ancestor

Captorhinidae

Araeoscelidia

Hovasaurus

Youngina

Claudiosaurus

Odontochelys

Testudines

Kuehneosauridae

Squamata

Rhynchocephalia

Prolacertiformes

Choristodera

Archosauriformes

Trilophosaurus

Rhynchosauria

Ichthyopterygia

Thalattosauria

Helveticosaurus

Hanosaurus

Eusaurosphargis

Lqianensis

Lpolycarpon

Sinosaurosphargis

Palatodonta

Paraplacodus

Placodus

Cyamodus

Psephoderma

Wumengosaurus

Diandongosaurus

Corosaurus

Cymatosaurus

Pistosaurus

Yunguisaurus

Augustasaurus

Bobosaurus

Plesiosaurus

Qianxisaurus

AnaroDactylo

SerpianoNeustico

Majiashanosaurus

Dianopachysaurus

Dawazisaurus

Keichousaurus

Paludidraco

Simosaurus

Germanosaurus

Lariosaurus

Nothosaurus