Meanings

shoulder blade

ostracism

Japanese bay scallop (Pecten albicans)

cowrie

limpet

ivory shell

Marten's pearl oyster (Pinctada fucata martensii)

tusk shell

silver-lipped pearl oyster (Pinctada maxima)

Nitidotellina nitidula (species of tellin)

lantern shell

spinning top (traditionally made of Japanese Babylon shell)

Japanese ivory shell

cowrie (esp. the chocolate cowrie, Mauritia mauritiana)

eggcase (shell) of the greater argonaut

cone shell (Conus geographus)

conchoidal fracture

Sakhalin surf clam (Pseudocardium sachalinense)

kai-awase

shell money