Class Mammalia Linnaeus, 1758 - mammals
Order †Eutriconodonta Kermack, Mussett & Rigney, 1973, incertae sedis
Family †Triconodontidae Marsh, 1887
Subfamily †Tricondontinae Kermack & Kermack, 1971, orth. inval.
see Subfamily Triconodontinae Marsh, 1887
Genus †Triconodonᵀ Owen, 1859 [monotypic]
1 †Triconodon mordax Owen, 1859