Foraminifera source details
Yasuda, H. (1986). Cretaceous and Paleocene Foraminifera from northern Hokkaido, Japan:. The science reports of the Tohoku University. Second series, Geology. 57(1): 1-101.
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Yasuda, H.
1986
Cretaceous and Paleocene Foraminifera from northern Hokkaido, Japan:
The science reports of the Tohoku University. Second series, Geology
57(1): 1-101
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Anomalinoides kotobukiensis Yasuda, 1986 † (original description)
Astacolus heitarozawensis Yasuda, 1986 † (original description)
Chilostomelloides yokichii Yasuda, 1986 † (original description)
Conorbina japonica Yasuda, 1986 † (original description)
Conorbina kamikomaensis Yasuda, 1986 † (original description)
Gavelinella utsunaiensis Yasuda, 1986 † (original description)
Haplophragmoides rugosus subsp. soyaensis Yasuda, 1986 † (original description)
Lenticulina hansthalmanni (Takayanagi, 1961) † (new combination reference)
Lenticulina sorachiensis (Takayanagi, 1960) † (new combination reference)
Marginulina shumaroensis Yasuda, 1986 † (original description)
Marginulina tombetsuensis Yasuda, 1986 † (original description)
Marginulinopsis kohkoae Yasuda, 1986 † (original description)
Psamminopelta takayanagii Yasuda, 1986 † (original description)
Pseudobaggina Yasuda, 1986 † (original description)
Pseudobaggina hokkaidoana Yasuda, 1986 † (original description)
Quadrimorphina trilobata Yasuda, 1986 † (original description)
Saracenaria ezoensis Yasuda, 1986 † (original description)
Astacolus heitarozawensis Yasuda, 1986 † (original description)
Chilostomelloides yokichii Yasuda, 1986 † (original description)
Conorbina japonica Yasuda, 1986 † (original description)
Conorbina kamikomaensis Yasuda, 1986 † (original description)
Gavelinella utsunaiensis Yasuda, 1986 † (original description)
Haplophragmoides rugosus subsp. soyaensis Yasuda, 1986 † (original description)
Lenticulina hansthalmanni (Takayanagi, 1961) † (new combination reference)
Lenticulina sorachiensis (Takayanagi, 1960) † (new combination reference)
Marginulina shumaroensis Yasuda, 1986 † (original description)
Marginulina tombetsuensis Yasuda, 1986 † (original description)
Marginulinopsis kohkoae Yasuda, 1986 † (original description)
Psamminopelta takayanagii Yasuda, 1986 † (original description)
Pseudobaggina Yasuda, 1986 † (original description)
Pseudobaggina hokkaidoana Yasuda, 1986 † (original description)
Quadrimorphina trilobata Yasuda, 1986 † (original description)
Saracenaria ezoensis Yasuda, 1986 † (original description)
Fossil range
Age: Paleocene; Formation name: Utsunaigawa Formation, Hakobuchi Group [details]
Type locality
Along the Kumanosawa River, about 400 m upstream from where it joins the Tombetsu River, northern Hokkaido, Japan. ... [details]
Type specimen
Holotype: IGPS no. 98796, Paratypes: IGPS no. 98795 & 98794 (Pl. 13, figs. 4, 5a, b). Data compiled from ... [details]