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Calyptogena pacifica

Calyptogena pacifica Dall, 1891

• Extinct species
• Habitat: Marine, 800-1200m deep, Cold seeps

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, order Veneroida, family Vesicomyidae, genus Calyptogena

• Distribution
• Miocene: Hokkaido
• Pliocene: Niigata