Marsupialia

noun plural

Mar·​su·​pi·​a·​lia mär-ˌsü-pē-ˈā-lē-ə 

: an order or other taxon of mammals comprising kangaroos, wombats, bandicoots, opossums, and related animals that with few exceptions develop no placenta and usually have a pouch on the abdomen of the female containing the teats and serving to carry the young

marsupial

mär-ˈsü-pē-əl 

adjective or noun