Seymouriiadae

Diadectomorpha

Caseidae

Captorhinidae

Paleothyris_acadiana

Araeoscelidae

Hovasaurus_boulei

Youngina_capensis

Orovenator_mayorum

Claudiosaurus_germaini

Kuehneosauridae

Trilophosaurus_buettneri

Rhynchosauria

Prolacerta_broomi

Lanthanolania

Archosauriformes

Squamata

Rhynchocephalia

Acerosodontosaurus_piveteaui

Eunotosaurus_africanus

Proganochelys_quenstedti

Odontochelys_semitestacea

Placodus_spp

Sinosaurosphargis_yunguiensis

Eosauropterygia

Microleter_mckinzieorum

Australothyris_smithi

Mesosaurus

Eudibamus_cursoris

Belebey_vegrandis

Millerettidae

Delorhynchus_cifelli

Acleistorhinus_pteroticus

Feeserpeton_oklahomensis

Colobomycter_phloleter

Lanthanosuchus_watsoni

Nyctiphruretus_acudens

Rhipaeosaurus_spp

Macroleter_poezicus

Emeroleter_levis

Bashkyroleter_mesensis

Nycteroleter_ineptus

Bashkyroleter_bashykyricus

Scutosaurus_spp

Bradysaurus_spp

Procolophon_spp

Owenetta_spp

Barasaurus_besairiei