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Siphonalia sp.

genus Siphonalia A. Adams, 1863

• Modern species: Late Cretaceous - Present (94.3 - 0.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Gastropoda, class Neogastropoda, family Buccinidae

• Distribution
• Oligocene: Saga
• Miocene: Tochigi, Gifu, Shiga, Kyoto, Okayama, Shimane, Kagawa
• Pliocene: Niigata, Shizuoka
• Pliocene-Pleistocene: Kochi, Saga
• Pleistocene: Niigata, Ishikawa, Ibaraki, Tokyo, Chiba, Kanagawa, Shizuoka, Kochi
• Investigation in progress: Saitama (Miocene?)

• Subtaxa
• S. aspersa
• S. declivis
• S. fusoides, Fusiform whelk
• S. makiyamai
• S. minuta
• S. modificata
• S. prespadices
• S. spadicea
• S. trochulus