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Mactromeris sp.

genus Mactromeris Conrad, 1868

• Modern species: Eocene - Present (55.8 - 0.0 Ma)
• Habitat: Marine

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

• Distribution
• Miocene-Pliocene: Fukushima
• Pliocene: Hokkaido
• Pleistocene: Ishikawa

• Subtaxa
• M. polynyma, Arctic surfclam