Marsupium is the Latin word for a (brood) pouch in several animal groups: *

Pouch (marsupial) The pouch is a distinguishing feature of female marsupials, monotremes and possibly most extinct non-placental mammals including eutherians like ''Zalambdalestes'' (and rarely in the males as in the water opossumNogueira, José Carlos, et al.Mor ...

, in marsupials *

Brood pouch (Peracarida) The marsupium or brood pouch, is a characteristic feature of Peracarida, including the orders Amphipoda, Isopoda, Cladocera, and Cumacea. It is an egg chamber formed by oostegites, which are appendages that are attached to the coxae (first segme ...

, in peracarid crustaceans *

Brood pouch (Syngnathidae) Marsupium is the Latin word for a (brood) pouch in several animal groups: * Pouch (marsupial), in marsupials * Brood pouch (Peracarida) The marsupium or brood pouch, is a characteristic feature of Peracarida, including the orders Amphipoda, I ...

, in syngnathids such as sea horses * Brood pouch (gastropod), a part of the

reproductive system of gastropods The reproductive system of gastropods (slugs and snails) varies greatly from one group to another within this very large and diverse taxonomic class of animals. Their reproductive strategies also vary greatly, see Mating of gastropods. In many ...

, a structure in ovoviviparous gastropods, where embryos develop

See also