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Nuculanidae gen. et sp. indet.

family Nuculanidae H. Adams and A. Adams, 1858 (1854)

• Modern species: Early Ordovician - Present (478.6 - 0.0 Ma)

• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, order Nuculanida

• Distribution
• Oligocene-Miocene: Nagano
• Miocene: Akita, Aichi, Gifu, Shimane
• Pliocene: Aomori, Akita, Niigata, Ishikawa
• Pleistocene: Niigata, Chiba, Kanagawa

• Species
• Acilana, genus
• Nuculana, genus