mollusk
invertebrate
bivalve
cephalopod
cephalopod mollusk
chiton
coat-of-mail shell
gastropod
lamellibranch
pelecypod
polyplacophore
scaphopod
sea cradle
univalve
'guy
50-pound
blinkers
conceptualization
dial-plate
expostulatory
fellow-guest
fundament
lorgnette
periwinkle
pharisaism
presentments
quizzer
seat-warmer
shoreward
tabulations
vermis
whitethorn
widgeon