Class [Mammalia] Linnaeus, 1758 - mammals Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818 Family Macropodidae Gray, 1821 - wallabies and kangaroos Genus Dorcopsis Schlegel & Müller, 1845 - New Guinean forest wallabies Dorcopsis atrata van Deusen, 1957 - black forest wallaby