Gomphodontosuchus Tritheledontidae Epicynodontia Thrinaxodon Bridetherium Menadon Protheriodon Kuehneotheriidae Morganucodonta Mammaliaformes Docodonta Traversodon Kuehneotherium Docodon Riograndia Peraiocynodon Cynognathus Santacruzodon Chiniquodontidae Protuberum Cynodontia Chiniquodon Massetognathus Ecteninion Brasilodon Candelariodon barberenai Diegocanis Hadrocodium Gomphodontosuchinae Therioherpeton Traversodontidae Siriusgnathus Irajatherium Gomphodontia Luangwa (cinodonte) Castorocauda Megazostrodon Prozostrodon Charruodon Eucynodontia Ecteniniidae Trucidocynodon Morganucodon Probainognathia Adelobasileus Exaeretodon Sinoconodon Haramiyida Gondwanatheria