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Shigarami fauna

Synonym: Shimonireki fauna

• Type locality: Nagano prefecture
• Strata: Ogikubo Formation
• Pliocene

• Climate: Cool-temperate, Intermediate-temperate
• Water temperature: Cold ocean current
• Depth of water: Shallow

• [ Index fossils ]
• Cycladicama cumingii
• Solen grandis

• Nagamori et. al. (2003) Geology of the Togakushi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 109p. (in Japanese with English abstract 3p.)