Marine mollusc (3,4)
'marine mollusc' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for whelk that I've seen before include "Edible marine snail" , "Edible mollusc" , "Carnivorous mollusc" , "Mollusc with pointed shell" , "Shellfish" .)
'marine mollusc' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for oyster that I've seen before include "the world may be yours" , "taken in by carpenter" , "Pearl-making mollusc" , "Succulent shellfish" , "Maybe grey" .)
'marine mollusc' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for sea slug that I've seen before include "Creature" , "Shell-less marine mollusc" , "gastropod mollusc" .)