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Ostrea sp.

genus Ostrea Linnaeus, 1758

• Modern species: late Permian - Present (259.0 - 0.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, order Ostreida, superfamily Ostreoidea, family Ostreidae

• Distribution
• Miocene: Niigata, Aichi, Hiroshima, Kagawa
• Pliocene: Chiba
• Pleistocene: Niigata, Ishikawa, Ibaraki, Tokyo, Chiba, Shizuoka, Aichi
• Holocene: Aichi

• Subtaxa
• O. circumpicta
• O. denselamellosa