Class [Mammalia] Linnaeus, 1758 - mammals Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818 Family Macropodidae Gray, 1821 - wallabies and kangaroos Genus Petrogale Gray, 1837 - rock wallabies Petrogale godmani Thomas, 1923 - Godman's rock wallaby