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