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Mya sp.

genus Mya Linnaeus, 1758

• Modern species: Middle Jurassic - Present (167.7 - 0.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, family Mysidea

• Distribution
• Oligocene: Fukushima
• Miocene: Miyagi, Yamagata, Toyama, Gunma, Tochigi, Saitama, Tokyo, Mie, Hiroshima, Shimane
• Miocene-Pliocene: Nagano
• Pliocene: Hokkaido, Aomori, Miyagi, Niigata, Nagano
• Pliocene-Pleistocene: Niigata
• Quaternary: Hiroshima
• Pleistocene: Hokkaido, Aomori, Nagano, Saitama, Tokyo, Chiba, Kanagawa, Aichi
• Holocene: Toyama, Saitama
• Investigation in progress: Saitama (Miocene?)

• Subtaxa
• M. arenaria, Soft-shell clam, Sand gaper
• M. cuneiformis
• M. grewingki
• M. pseudoarenaria