Petrolacosaurus

Lepidosauromorpha

Youngina

Gephyrosaurus

Squamata

Sphenodontia

Lazurussuchus

Cteniogenys

Choristodera

Champsosaurus

Trilophosaurus

Protorosaurus

Megalancosaurus

Drepanosaurus

Trachelosaurus

Thalattosauria

Tanytrachelos

Tanystropheus

Rhombopholis

Prolacertoides

Malerisaurus

Macrocnemus

Langobardisaurus

Kadimakara

Jesairosaurus

Cosesaurus

Boreopricea

Mesosuchus

Howesia

Rhynchosauridae

Stenaulorhynchus

Scaphonyx

Hyperodapedon

Prolacerta

Proterosuchidae

Pterosauria

Erythrosuchidae

Proterochampsidae

Euparkeria

Suchia

Parasuchia

Ornithosuchidae

Scleromochlus

Lagosuchus

Dinosauria