JAPAN: Pleistocene, see for formation below pictures.

Screen 21: Acteonoidea, Nuculoidea

Ringicula doliaris Scaphander japonica
Ringicula doliaris (3 mm), colno 36558
Semata Formation
Scaphander japonica (15 mm), colno 36571
Semata Formation
Acila divaricata Acila insignis
Acila divaricata (24 mm), colno 37540
Omma Formation
Acila insignis (18 mm), colno 37536
Omma 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