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
         1 Genus †Triconodonᵀ Owen, 1859 [monotypic]
         2 Genus †Priacodon Marsh, 1887
         3 Genus †Trioracodon Simpson, 1928