Found 1 definition: marsupialia.
Pos: Noun
[WORDNET DICTIONARY]
Noun marsupialia has 1 senses
marsupialia(n = noun.animal) order marsupialia - coextensive with the subclass Metatheria;
is a kind of animal order
is a member of metatheria, subclass metatheria
[CIDE DICTIONARY]
marsupialia, prop. n. pl. [NL., fr. L. marsupium a pouch, bag, purse, Gr. marsy`pion, dim. of ma`rsypos, ma`rsipos.].
A subclass of Mammalia, including nearly all the mammals of Australia and the adjacent islands, together with the opossums of America. They differ from ordinary mammals in having the corpus callosum very small, in being implacental, and in having their young born while very immature. The female generally carries the young for some time after birth in an external pouch, or marsupium. Called also Marsupiata. [1913 Webster]
[RELATED WORDS]
order marsupialia