JAPAN: Pleistocene, see for formation below pictures.

Screen 19: Calyptraeoidea, Tonnoidea

Trichotropis unicarinata Tonna luteostoma
Trichotropis unicarinata (20 mm), colno 36588
Semata Formation
Tonna luteostoma (130 mm), colno 35199
Kioroshi Formation
Semicassis minor Biplex perca
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