Class Mammalia Linnaeus, 1758 - mammals
Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001 - tribotherians
see Clade Boreosphenida Luo, Cifelli & Kielan-Jaworowska 2001
Infraclass Metatheria Huxley, 1880
Cohort †Deltatheroida Kielan-Jaworowska, 1982
see Order Deltatheroida Kielan-Jaworowska, 1982
Family †Deltatheridiidae Gregory & Simpson, 1926
Genus †Deltatheroides Gregory & Simpson, 1926 [monotypic]
1 †Deltatheroides cretacicus Gregory & Simpson, 1926