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
Genus †Oxlestes Nessov, 1982, incertae sedis [monotypic]
†Oxlestes grandis Nessov, 1982