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Monotygma sp.

genus Monotygma G. B. Sowerby II, 1839

• Modern species: Miocene - Present (23.0 - 0.0 Ma)
• Habitat: Marine

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

• Distribution
• Pleistocene: Ibaraki, Chiba

• Subtaxa
• M. eximia