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