Noun | 1. | ![]() metatherian - primitive pouched mammals found mainly in Australia and the Americas Marsupialia, order Marsupialia - coextensive with the subclass Metatheria possum, opossum - nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America opossum rat - terrestrial marsupials of southern South America that resemble shrews bandicoot - any of various agile ratlike terrestrial marsupials of Australia and adjacent islands; insectivorous and herbivorous kangaroo - any of several herbivorous leaping marsupials of Australia and New Guinea having large powerful hind legs and a long thick tail opossum, phalanger, possum - small furry Australian arboreal marsupials having long usually prehensile tails wombat - burrowing herbivorous Australian marsupials about the size of a badger dasyurid, dasyurid marsupial - small carnivorous nocturnal marsupials of Australia and Tasmania marsupial mole, Notoryctus typhlops, pouched mole - small burrowing Australian marsupial that resembles a mole |