decapod

nouns

crustaceans characteristically having five pairs of locomotor appendages each joined to a segment of the thorax
decapod, decapod crustacean
cephalopods having eight short tentacles plus two long ones
decapod
is a member of
squids and cuttlefishes
Decapoda, order Decapoda
is a type of (narrower)
marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles
cephalopod, cephalopod mollusk