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Psammotreta sp.

genus Psammotreta Dall, 1900

• Modern species: Oligocene - Present (33.9 - 0.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, order Cardiida, family Tellinidae

• Distribution
• Miocene: Okayama
• Pleistocene: Ishikawa

• Subtaxa
• P. praerupta => Psammacoma gubernaculum