Class [Mammalia] Linnaeus, 1758 - mammals Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818 Family Potoroidae Gray, 1821 - rat-kangaroos Genus Potorous Desmarest, 1804 - potoroos Potorous longipes Seebeck & Johnston, 1980 - long-footed potoroo