Class [Mammalia] Linnaeus, 1758 - mammals Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818 Family Phascolarctidae Owen, 1839 Genus Phascolarctos Blainville, 1816 - koala 1 Phascolarctos cinereus (Goldfuss, 1817) - koala