5. Subclass Theria Therian mammals Infraclass Metatheria- Marsupial mammals Order Didelphimorphia- American marsupials FamilyDidelphidae- American Opossums Species: DidelphisVirginiana- Virginia Opossum
13. Infraclass Metatheria Order Dasyuromorphia(marsupial carnivores) Family thylacinidae- tasmanian wolf Family myrmecobiidae- numbat Family Dasyuridae- dasyurids (tasmanian devil)
20. Infraclass Metatheria Order Diprotodontia(kangaroos, possums, wallabies, and relatives) Family Phascolarctidae-koala Family Vombatidae-wombat Family Burramyidae-pygmy possums Family phalangeridae-brushtail possums and cucuses Family pseudocheiridae-ringtail possums Family petauridae-gliders, leadbeater’s possum, striped possums Family tarsipedidae- honey possum Family acrobatidae- feathertail gliders and pygmy gliders Family hypsiprymnodontidae- musky rat kangaroo Family potoroidae-bettongs, potoroos, rat kangaroos Family macropodidae- kangaroos, wallabies, and relatives
34. Infraclass Eutheria Order Pilosa-endentates Suborder Folivora-Sloths Family Bradypodidae-three toed sloths Family Megalonychidae-two toed sloths Suborder Vermilingua-anteaters Family cyclopedidae-silky anteaters Family Myrmecophagidae-American anteaters