Class Mammalia Linnaeus, 1758 - mammals
   Order Diprotodontia Owen, 1866
     Family Phalangeridae Thomas, 1888 - possums and cuscuses
       1 Genus Ailurops Wagler, 1830
       2 Genus Phalanger Storr, 1780 - cuscuses
       3 Genus Spilocuscus Gray, 1861[1862] - spotted cuscuses
       4 Genus Strigocuscus Gray, 1861[1862]
       5 Genus Trichosurus Lesson, 1828 - brush-tailed possums
       6 Genus Wyulda Alexander, 1918 - scaly-tailed possum