Class Mammalia Linnaeus, 1758 - mammals Order †Eutriconodonta Kermack, Mussett & Rigney, 1973, incertae sedis ?Family †Austrotriconodontidae Bonaparte, 1992 [monotypic] Genus †Austrotriconodon Bonaparte, 1986 †Austrotriconodon sepulvedai Bonaparte, 1992