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Tonna sp.

genus Tonna Brünnich, 1771

• Modern species: early Paleocene - Present (58.7 - 0.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Gastropoda, order Littorinimorpha, family Tonnidae

• Distribution
• Pleistocene: Ibaraki, Saitama, Tokyo, Chiba, Kanagawa, Aichi
• Holocene: Tokyo

• Subtaxa
• T. luteostoma, Gold-mouthed tun