Australidelphia
Australidelphia is the magnorder that contains roughly three-quarters of all marsupials, including all those native to Australasia and a single species from South America. (All other American marsupials are members of the Ameridelphia.) The orderss within this group are listed below:
- Order Microbiotheria (1 species)
- Family Microbiotheriidae: Monito del Monte
- Order Dasyuromorphia (63 species)
- Family Thylacinidae: Thylacine extinct
- Family Dasyuridae: antechinuses, quolls, dunnarts, Tasmanian Devil, and allies
- Family Myrmecobiidae: Numbat
- Order Peramelemorphia (21 species)
- Family Peroryctidae rainforest bandicoots
- Family Peramelidae: bandicoots and bilbies
- Order Notoryctemorphia (2 species)
- Family Notoryctidae: marsupial moles
- Order Diprotodontia (117 species)
- Family Phascolarctidae: Koala
- Family Vombatidae: wombats
- Family Phalangeridae: brushtail possums and cuscuses
- Family Burramyidae: pygmy possums
- Family Tarsipedidae: Honey Possum
- Family Petauridae: Striped Possum, Leadbeater's Possum, Yellow-bellied Glider, Sugar Glider, Mahogany Glider, Squirrel Glider
- Family Pseudocheiridae: ringtailed possums and allies
- Family Potoridae: potoroos, rat kangaroos, bettongs
- Family Acrobatidae: Feathertail Glider
- Family Hypsiprymnodontidae: Musky Rat Kangaroo
- Family Macropodidae: kangaroos, wallabies, and allies