Ancestor
Zatrachydidae
Eryops
Tersomius
Dissorophus
Trematopidae
Neldasaurus
Trimerorachis
Acroplous
Isodectes
Dvinosaurus
Thabanchuia
Tupilakosaurus
Cheliderpeton
Sclerocephalus
Konzhukovia
Platyoposaurus
Archegosaurus
Peltobatrachus
Lapillopsis
Rhinesuchidae
Lydekkerina
Mastodonsaurus
Benthosuchus
Capitosauridae
Luzocephalus
Trematosauridae
Thoosuchus
Buettneria
Almasaurus
Plagiosauridae
Laidleria
Rhytidosteidae
Keratobrachyops
Pelorocephalus
Siderops
Batrachosuchus
Xenobrachyops