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Upper Neshiroishi flora

• Type locality: Sendai city, Akita prefecture
• Strata: Itaoroshitoge Siltstone Member
• late Miocene

• Climate: Cold

• [ Index fossils ]
• Betula? sp.
• Carpinus subyedoensis
• Castanea sp.
• Fagus palaeocrenata
• Fraxinus sp.
• Magnolia sp.
• Paliurus sp.
• Quercus (Cyclobalanopsis) cf. praegilva
• Sequoia sp.
• Zelkova serrata
• Zelkova ungeri

• Kitamura et al. (1986) Geology of the Sendai District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 134p. (in Japanese with English abstract 9p.)
• Kitamura et al. (1983) Geology of theYoshioka District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 50p. (in Japanese with English abstract 5p.)