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Tectonatica sp.

genus Tectonatica Sacco, 1890

• Modern species: Paleocene - Present (61.7 - 0.0 Ma)
• Habitat: Marine

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

• Distribution
• Miocene: Hokkaido, Nagano
• Investigation in progress: Saitama (Miocene?)