- decapod crustacean, decapod - crustaceans characteristically having five pairs of locomotor appendages each joined to a segment of the thorax
--1 is a kind of crustacean
--1 is a member of Decapoda, order Decapoda
--1 has particulars:crab; lobster; crayfish, crawfish, crawdad, crawdaddy; hermit crab; shrimp; prawn; tropical prawn - decapod - cephalopods having eight short tentacles plus two long ones
--2 is a kind of cephalopod, cephalopod mollusk
--2 is a member of Decapoda, order Decapoda
--2 has particulars: squid; cuttlefish, cuttle; spirula, Spirula peronii