Class Mammalia Linnaeus, 1758 - mammals
Subclass Theria Parker & Haswell, 1897
Infraclass Tribosphenida McKenna, 1975
see Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001
Supercohort Eutheria Gill, 1872
see Infraclass Eutheria Gill, 1872
Cohort Edentata Cuvier, 1798
Order †Palaeanodonta Matthew, 1918
Family †Epoicotheriidae Simpson, 1927
Subfamily †Epoicotheriinae Simpson, 1927
Genus †Epoicotherium Simpson, 1927
1 †Epoicotherium unicumᵀ (Douglass, 1905)