JAPAN: Pleistocene, see for formation below pictures.

Screen 19: Calyptraeoidea, Tonnoidea

Trichotropis unicarinata (20 mm), colno 36588 Semata Formation	Tonna luteostoma (130 mm), colno 35199 Kioroshi Formation
Semicassis minor (57 mm), colno 37557 Omma Formation	Biplex perca (48 mm), colno 37581 Sanuki Formation

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Chitonina	Dentaliida	Patelloidea	Fissurelloidea	Trochoidea	Cirroidea	Cerithioidea	Xenophoroidea
Buccinoidea	Columbelloidea	Conoidea	Mitroidea	Volutoidea	Muricoidea	Naticoidea	Calyptraeoidea
Tonnoidea	Architectonicoidea	Pyramidelloidea	Acteonoidea	Nuculoidea	Nuculanoidea	Arcoidea	Limopsoidea
Mytiloidea	Limopsoidea	Ostreoidea	Pectinoidea	Anomioidea	Lucinoidea	Galeommatoidea	Carditoidea
Cardioidea	Mactroidea	Solenoidea	Tellinoidea	Glossoidea	Corbiculoidea	Veneroidea	Myoidea
Hiatelloidea	Pandoroidea	Cuspidariina