Author:
Okazaki,Y.
Year:
1958
Title:
Stratigraphical and palynological studies of the Honbetsu Group and the Ikeda Formation (Pliocene, Tertiary) in eastern Hokkaio.
Reference:
Okazaki,Y. (1958) Stratigraphical and palynological studies of the Honbetsu Group and the Ikeda Formation (Pliocene, Tertiary) in eastern Hokkaio. Journal of Hokkaido Gakugei University Vol. 9 # 1 P. 230- 249
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Genus Species Country(Region) From To
Ulmus Ulmus type Japan(Hokkaido I.) Late Neogene
Zelkova Zelkova type Japan(Hokkaido I.) Late Neogene