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Ringicula sp.

genus Ringicula Deshayes, 1838

Invalid synonym: Ringiculina sp.

• Modern species: Middle Jurassic - Present (164.7 - 0.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Gastropoda, family Ringiculidae

• Distribution
• Quaternary: Hiroshima
• Pleistocene: Ishikawa, Ibaraki, Tokyo, Chiba, Aichi, Mie
• Holocene: Hiroshima

• Subtaxa
• R. doliaris
• R. shimaensis
• R. yokoyamai