A taxonomic order within the superorder Eucarida — the decapod crustacea.
your order of Crustacea including the shrimps, lobsters, crabs, etc.
A division of this dibranchiate cephalopods like the cuttlefishes and squids. See Decacera.
The ten-footed crustaceans; those Crustacea which may have five sets of feet or ambulatory appendages, one pair of which is chelate; an order of podophthalmic or stalk-eyed Crustacea. See slices under Podophthalmia and stalk-eyed.
The ten-armed cephalopods; a division of this dibranchiate or acetabuliferous Cephalopoda, as distinguished from Octopoda, having two lengthy tentacles or cephalic procedures (aside from the eight arms or rays), bearing suckers only at their stops: also called Decacera.