Class [Mammalia] Linnaeus, 1758 - mammals Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818 Family Macropodidae Gray, 1821 - wallabies and kangaroos Genus Macropus Shaw, 1790 - wallabies, wallaroos, and kangaroos Macropus irma (Jourdan, 1837) - western brush wallaby