Class Mammalia Linnaeus, 1758 - mammals Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818 Family Macropodidae Gray, 1821 - wallabies and kangaroos Genus Dendrolagus Müller, 1839 - tree kangaroos Dendrolagus matschiei Forster & Rothschild, 1907 - Matschie's tree kangaroo Dendrolagus matschiei goodfellowi Thomas, 1908 see Dendrolagus goodfellowi goodfellowi Thomas, 1908