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Cardium sp.

genus Cardium Linnaeus, 1758

• Modern species: Late Ordovician - Present (445.6 - 0.0 Ma)
• Habitat: Marine

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

• Distribution
• Jurassic: Nagano
• Oligocene-Miocene: Nagano
• Miocene: Hiroshima, Kagawa