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Utto flora

A typical member of Daijima-type flora.

• Type locality: Akita prefecture
• early Miocene (22 - 20 Ma)
• Strata: Utto Formation

• Climate: Warm temperate - Subtropical, Basal zone
• Mainly composed of warm climate evergreen broad-leaved trees and deciduous broad-leaved trees, and conifers indicating southern distribution.

• [ Index fossils ]
• Calocedrus sp.
• Comptonia sp.
• family Fagaceae
• family Lauraceae
• Liquidambar sp.

• Kano (2018) Jour. Geol. Soc. Japan, vol.124, no.10, pp.781-803.
• Kano et. al. (2012) Geology of the Aniai District, 2nd Edition, 1:50,000 Quadrangle Series, Geological Survey of Japan, AIST, 59p. (in Japanese with English abstract 4p.)