Seymouriidae

Synapsida

Parareptilia

Captorhinidae

Araeoscelidia

Cartorhynchus

Hovasaurus

Orovenator

Lanthanolania

Thadeosaurus

Youngina

Tangasaurus

Acerosodontosaurus

Claudiosaurus

Helveticosaurus

Choristodera

Sophineta

Coelurosauravus

Pamelina

Kuehneosauridae

Squamata

Rhynchocephalia

Macrocnemus

Tanystropheus

Prolacerta

Trilophosaurus

Archosauriformes

Rhynchosauria

Askeptosaurus

Thalattosaurus

Clarazia

Wumengosaurus

Utatsusaurus

Chaohusaurus

Hupehsuchus

Nanchangosaurus

Sinosaurosphargis

Largocephalosaurus

Placodus

Pachypleurosaurs

Pistosauridae

Simosaurus