Ancestor
Captorhinidae
Araeoscelidia
Claudiosaurus
Younginiformes
Testudines
Thalattosauria
Anaro_dash_Dactylo
Serpiano_dash_Neustico
Simosaurus
Germanosaurus
Nothosaurus
Lariosaurus
Corosaurus
Cymatosaurus
Plesiosaurus
Pistosaurus
Augustasaurus
Paraplacodus
Placodus
Cyamodus
Helveticosaurus
BES_SC_390
Saurosphargis
Kuehneosauridae
Rhynchocephalia
Squamata
Rhynchosauria
Trilophosaurus
Archosauriformes
Prolacertiformes
Choristodera