Anterior region of the decapod foregut [Brusca and Brusca, 2002].
(Order Decapoda):
Anterior and larger cuticle-lined division of stomach; separated from smaller posterior pyloric stomach by cardiopyloric valve and characterized by variously developed grinding apparatus (gastric mill) [Stachowitsch, 1992].
(Order Mysida):
Stomach [Stachowitsch, 1992].
(Order Stomatopoda):
Anterior and larger division of stomach occupying most of head (cephalon). Separated from smaller posterior pyloric stomach by filtering apparatus; contains only small pairs of plates (ossicles) [Stachowitsch, 1992].
(Order Leptostraca):
Stomach [Stachowitsch, 1992].
(Superorder Syncarida):
Stomach [Stachowitsch, 1992].
(Order Thermosbaenacea):
Stomach [Stachowitsch, 1992].
(Order Euphausiacea):
Anterior and larger division of stomach; separated from smaller posterior pyloric stomach by cardiopyloric valve. Serves to grind food. (with/without denticles) [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.