貝

pearl oyster

Soletellina diphos (species of clam)

limpet (esp. species Cellana mazatlandica)

Tyrian purple

shell ladle

univalve

Unio douglasiae (species of freshwater mussel)

spinning top (traditionally made of Japanese Babylon shell)

Mactra chinensis (species of trough shell)

Mediterranean mussel (Mytilus galloprovincialis)

spider conch (Lambis lambis)

Japanese bay scallop (Pecten albicans)

chambered nautilus (esp. species Nautilus pompilius)

west wind in the early spring (traditionally on the night of the 20th day of the second month of the lunar calendar); wind that blows seashells ashore

Word usually written using kana alone

chiton (any marine mollusk of the class Polyplacophora); sea cradle

Japanese chiton (Acanthopleura japonica)

scale insect

moon snail (Naticidae spp.); moon shell

Marten's pearl oyster (Pinctada fucata martensii); Akoya pearl oyster

razor clam (Solen strictus)

full-blooded tellin (Pharaonella sieboldii)

miyairigai (Oncomelania hupensis nosophora); freshwater snail that acts as an intermediate host of the Japanese blood fluke

ass's ear abalone (Haliotis asinina); donkey's ear abalone

toothed top shell (Monodonta labio)

kanji "shell" radical (154)

mirugai clam (Tresus keenae, species of gaper clam)