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Calliostoma sp.

genus Calliostoma Swainson, 1840

• Modern species: middle Triassic (242.0 - 0.0 Ma)
• Habitat: Marine

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

• Distribution
• Miocene: Miyagi, Tochigi
• Pliocene-Pleistocene: Kanagawa
• Investigation in progress: Saitama (Miocene?)

• Subtaxa
• C. hataii
• C. otaniensis