Foraminifera source details
Fukuta, O. (1957). Upper Cretaceous Foraminifera from the Rumoi Coal Field, Hokkaido, Japan,. Rep. Geol. Surv. Japan, no. 172, pp. 1-18.
385137
Fukuta, O.
1957
Upper Cretaceous Foraminifera from the Rumoi Coal Field, Hokkaido, Japan,. Rep. Geol. Surv. Japan, no. 172, pp. 1-18
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Rzehakina sogabei Fukuta, 1957 † (original description)
Rzehakina uryuensis Fukuta, 1957 † (original description)
Rzehakina uryuensis Fukuta, 1957 † (original description)