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 herbertensis (Collett, 1884) - Herbert River ringtail see Pseudochirulus herbertensis (Collett, 1884)