Class Mammalia Linnaeus, 1758 - mammals
   Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818
     Family Phalangeridae Thomas, 1888 - possums and cuscuses
       1 Genus Ailurops Wagler, 1830
       2 Genus Strigocuscus Gray, 1861[1862]
       3 Genus Trichosurus Lesson, 1828 - brush-tailed possums
       4 Genus Wyulda Alexander, 1918 - scaly-tailed possum
       5 Genus Spilocuscus Gray, 1861[1862] - spotted cuscuses
       6 Genus Phalanger Storr, 1780 - cuscuses