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Cyclina sp.

genus Cyclina Deshayes, 1850

• Modern species: Late Cretaceous - Present (99.7 - 0.0 Ma)
• Habitat: Marine

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

• Distribution
• Miocene: Hokkaido, Nagano, Toyama, Fukui, Gifu, Mie, Shiga, Okayama, Hiroshima, Shimane
• Miocene-Pliocene: Nagano
• Pliocene-Pleistocene: Saitama
• Quaternary: Hiroshima
• Pleistocene: Hokkaido, Ishikawa, Saitama, Chiba, Kanagawa, Shizuoka, Oita
• Holocene: Saitama, Chiba, Aichi

• Subtaxa
• C. japonica
• C. lunulata
• C. orientalis
• C. sinensis, Chinese venus