Any of various nonplacental mammals of the order Marsupialia, including kangaroos, opossums, bandicoots, and wombats, found principally in Australia and the Americas.

• 有袋（目）动物有袋目的无胎盘哺乳动物的一种，包括袋鼠、负鼠、袋狸和毛鼻袋熊，主要生活在澳大利亚和美洲