Seymouriidae

Synapsida

Parareptilia

Captorhinidae

Araeoscelidia

Orovenator

Cartorhynchus

Tangasaurus

Hovasaurus

Acerosodontosaurus

Lanthanolania

Thadeosaurus

Youngina

Claudiosaurus

Helveticosaurus

Choristodera

Sophineta

Coelurosauravus

Pamelina

Kuehneosauridae

Squamata

Rhynchocephalia

Placodus

Pachypleurosaurs

Pistosauridae

Simosaurus

Trilophosaurus

Archosauriformes

Rhynchosauria

Prolacerta

Macrocnemus

Tanystropheus

Wumengosaurus

Utatsusaurus

Chaohusaurus

Hupehsuchus

Nanchangosaurus

Sinosaurosphargis

Largocephalosaurus

Askeptosaurus

Thalattosaurus

Clarazia