Bivalve mollusc (6)
'bivalve mollusc' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for clam that I've seen before include "Edible shellfish" , "Tightly closed shellfish" , "What could grip" , "Shellfish - secretive type" , "shy person" .)
(Other definitions for pipi that I've seen before include "Brazilian pod" , "edible shellfish" , "pods" .)
(Other definitions for mussel that I've seen before include "Edible bivalve mollusc, common in sea" , "finds power in sound" , "Bivalve with purple-black shell" , "Edible shellfish" , "Edible marine mollusc sold by Molly Malone - not the cockle" .)
'bivalve mollusc' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for oyster that I've seen before include "Succulent bivalve, may bear a pearl" , "Pearl-yielding shellfish" , "Tasty bivalve, may carry pearl" , "Means to cross London" , "Pearl-producing bivalve" .)
'bivalve mollusc' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for cockle that I've seen before include "Common edible bivalve" , "occupant of shell" , "Young man" , "Shellfish" , "Burrowing mollusc" .)