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Dentalium octangulatum, Octagonal tusk shell(s)

Dentalium octangulatum Donovan, 1804

• Modern species
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Scaphopoda, order Dentaliida, family Dentaliidae, genus Dentalium

• Distribution
• Pliocene: Akita, Niigata
• Pleistocene: Ishikawa, Ibaraki, Shizuoka, Aichi
• Holocene: Tokyo, Aichi, Osaka