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Megayoldia japonica

Megayoldia japonica (Adams and Reeve, 1850)

Invalid synonym: Portlandia (Portlandella) japonica, Portlandia japonica

• Modern species
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, order Nuculanoida, family Yoldiidae, genus Megayoldia

• Distribution
• Miocene: Saitama, Aichi
• Miocene-Pliocene: Hokkaido
• Pliocene: Niigata, Ibaraki