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Glycymeris cisshuensis

Glycymeris cisshuensis Makiyama, 1926

This species is considered as an ancestor of Glycymeris nakamurai and, Glycymeris albolineata.

• Extinct species: Oligocene - Miocene (28.4 - 5.3 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, order Arcoida, family Glycymerididae, genus Glycymeris

• Distribution
• Miocene: Niigata, Nagano, Tochigi, Kanagawa, Mie, Shimane, Yamaguchi
• Investigation in progress: Saitama