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Porterius sp.

genus Porterius B. L. Clark, 1925

• Modern species: 5.3 - 0.0 Ma
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, order Arcida, family Parallelodontidae

• Distribution
• Pliocene: Hokkaido
• Pleistocene: Aomori, Akita

• Subtaxa
• P. dalli