Class [Mammalia] Linnaeus, 1758 - mammals Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818 Family Petauridae Bonaparte, 1838 - gliding, ring-tailed, and striped possums Genus Pseudocheirus Ogilby, 1837 - ring-tailed possums Pseudocheirus corinnae Thomas, 1897 - eastern ringtail see Pseudochirops corinnae (Thomas, 1897)