Base of the evolutionary tree for Phalangeroidea

• Phalangeroidea (27 species)
  • brushtail possums and cuscuses (Phalangeridae) → (22 species)
    • unnamed group 885114 → (15 species)
      • unnamed group 885116 → (13 species)
        • unnamed group 885119 → (10 species)
        • spotted cuscuses (Spilocuscus) → (3 species)
      • Bear Cuscuses (Ailurops) → (2 species)
        • Bear Cuscus (Ailurops ursinus)
        • Talaud Bear Cuscus (Ailurops melanotis)
    • unnamed group 885108 → (7 species)
      • unnamed group 885110 → (5 species)
        • Brushtail possum (Trichosurus) → (4 species)
        • Scaly-tailed Possum (Wyulda squamicaudata)
      • unnamed group 885109 → (2 species)
        • Telefomin Cuscus (Phalanger matanim)
        • Ornate Cuscus (Phalanger ornatus)
  • Pygmy Possums (Burramyidae) → (5 species)
    • Pygmy Possums (Cercartetus) → (4 species)
      • unnamed group 885105 → (3 species)
        • Eastern Pygmy Possum (Cercartetus nanus)
        • Western Pygmy Possum (Cercartetus concinnus)
        • Little Pygmy Possum (Cercartetus lepidus)
      • Long-tailed Pygmy Possum (Cercartetus caudatus)
    • Mountain Pygmy Possum (Burramys parvus)