Foraminifera source details
Asano, K. (1952). Paleogene foraminifera from the Ishikari and Kushiro coal-fields, Hokkaido. Short Papers from the Institute of Geology and Paleontology, Tohoku University, Sendai. 4: 23-46.
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Asano, K.
1952
Paleogene foraminifera from the Ishikari and Kushiro coal-fields, Hokkaido
Short Papers from the Institute of Geology and Paleontology, Tohoku University, Sendai
4: 23-46
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Cibicides yabei Asano, 1952 † (original description)
Entosolenia tokaoi Asano, 1952 † accepted as Oolina tokaoi (Asano, 1952) † (original description)
Planulina poronaiensis Asano, 1952 † (original description)
Plectina poronaiensis Asano, 1952 † accepted as Poronaia poronaiensis (Asano) em. Ujiie & Watanabe, 1960 † (original description)
Rotalia yubariensis Asano, 1952 † (original description)
Entosolenia tokaoi Asano, 1952 † accepted as Oolina tokaoi (Asano, 1952) † (original description)
Planulina poronaiensis Asano, 1952 † (original description)
Plectina poronaiensis Asano, 1952 † accepted as Poronaia poronaiensis (Asano) em. Ujiie & Watanabe, 1960 † (original description)
Rotalia yubariensis Asano, 1952 † (original description)