Meanings

wedge sea hare (Dolabella auricularia)

land snail

Dosinia japonica (species of Venus clam)

geoduck (Panopea generosa)

Hyriopsis schlegelii (species of freshwater mussel)

Pronodularia japanensis (species of freshwater mussel)

Gomphina melanegis (species of Venus clam)

Mactra veneriformis (species of trough shell)

kai-awase

Tyrian purple

conchoidal fracture

Tyrian purple

to blow a conch

to blow a conch

date shell (Lithophaga curta)

Chlorostoma xanthostigma (species of sea snail)

Noah's ark (Arca noae)

Cellana nigrolineata (species of limpet)

Japanese scallop

ocean quahog (Arctica islandica)