Ancestor
Captorhinidae
Araeoscelidia
Claudiosaurus
Archosauriformes
Choristodera
Trilophosaurus
Prolacertiformes
Rhynchosauria
Younginiformes
Kuehneosauridae
Squamata
Rhynchocephalia
Odontochelys
Proganochelys
Chelydra
Ichthyopterygia
Eusaurosphargis
Thalattosauria
Helveticosaurus
Sinosaurosphargis
Saurosphargis
Paraplacodus
Cyamodus
Placodus
Serpiano_slash_Neustico
Anaro_slash_Dactylo
Simosaurus
Germanosaurus
Lariosaurus
Nothosaurus
Cymatosaurus
Corosaurus
Plesiosaurus
Augustasaurus
Pistosaurus