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Leukoma sp.

genus Leukoma Römer, 1857

Invalid synonym: Protothaca sp.

• Modern species: middle Miocene - Present (16.0 - 0.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, family Veneridae

• Distribution
• Miocene: Hokkaido, Akita
• Pliocene: Niigata
• Pleistocene: Hokkaido, Aomori, Ishikawa, Ibaraki, Saitama, Tokyo, Chiba, Kanagawa, Aichi

• Subtaxa
• L. euglypta
• L. jedoensis
• L. tateiwai