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Unio sp.

genus Unio Philipsson, 1788

• Modern species: Middle Triassic - Present (247.2 - 0.0 Ma)
• Habitat: Freshwater

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, order Unionida, family Unionidae

• Distribution
• Jurassic-Cretaceous: Ishikawa
• Eocene: Hokkaido
• Miocene: Mie
• Pliocene-Pleistocene: Mie
• Pleistocene: Shiga

• Subtaxa
• U. uryuensis