- opossum, possum - nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America
--1 is a kind of marsupial, pouched mammal
--1 is a member of Didelphidae, family Didelphidae
--1 has particulars:common opossum, Didelphis virginiana, Didelphis marsupialis; crab-eating opossum - phalanger, opossum, possum - small furry Australian arboreal marsupials having long usually prehensile tails
--2 is a kind of marsupial, pouched mammal
--2 is a member of Phalangeridae, family Phalangeridae
--2 has particulars:cuscus; brush-tailed phalanger, Trichosurus vulpecula; flying phalanger, flying opossum, flying squirrel; koala, koala bear, kangaroo bear, native bear, Phascolarctos cinereus