Eryops

Dissorophidae

Trematopidae

Sclerocephalus

Platyoposaurus

Archegosaurus

Peltobatrachus

Rhinesuchidae

Lydekkerina

Benthosuchus

Mastodonsaurus

Eryosuchus_pronus

Trematosauridae

Rhytidosteidae

Pelorocephalus

Buettneria