Petrolacosaurus
Youngina
Squamata
Gephyrosaurus
Drepanosauridae
Lazarussuchus
Cteniogenys
Champsosaurus
Protorosaurus
Macrocnemus
Langobardisaurus
Tanystropheus
Trilophosarus
Prolacerta
Euparkeria
Proterosuchus
Mesosuchus
Howesia
Rhynchosaurus
Stenaulorhynchus
Hyperodapedon
Scaphonyx