Foraminifera name details
Bifarina tonohamaensis Takayanagi, 1953
816485 (urn:lsid:marinespecies.org:taxname:816485)
unaccepted
Species
marine, brackish, fresh, terrestrial
recent + fossil
Takayanagi, Y. (1953). New genus and species of foraminifera found in the Tonohama group, Kochi Prefecture, Shikoku, Japan. <em>Short papers from the Institute of Geology and Paleontology, Tohoku University, Sendai.</em> 5: 25-36.
page(s): p. 32, pl. 4, fig. 8. [details]
page(s): p. 32, pl. 4, fig. 8. [details]
Note Ko - 23, cliff of the tributary of the Nahari...
From editor or global species database
Type locality Ko - 23, cliff of the tributary of the Nahari River in the northwestern part of Tano - cho, Aki - gun, Kochi Pref., Japan (33^25'38"N, 134^00'14"E). Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025): https://gbank.gsj.jp/FossilType/ [details]
Fossil range Age: Pliocene; Formation name: Ananai Formation
Type specimen Holotype: IGPS no. 67142. Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025):...
Fossil range Age: Pliocene; Formation name: Ananai Formation [details]
Type specimen Holotype: IGPS no. 67142. Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025):...
Type specimen Holotype: IGPS no. 67142. Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025): https://gbank.gsj.jp/FossilType/ [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2021). World Foraminifera Database. Bifarina tonohamaensis Takayanagi, 1953. Accessed at: http://marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=816485 on 2026-05-20
Date
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original description
Takayanagi, Y. (1953). New genus and species of foraminifera found in the Tonohama group, Kochi Prefecture, Shikoku, Japan. <em>Short papers from the Institute of Geology and Paleontology, Tohoku University, Sendai.</em> 5: 25-36.
page(s): p. 32, pl. 4, fig. 8. [details]
page(s): p. 32, pl. 4, fig. 8. [details]
From editor or global species database
Fossil range Age: Pliocene; Formation name: Ananai Formation [details]Type locality Ko - 23, cliff of the tributary of the Nahari River in the northwestern part of Tano - cho, Aki - gun, Kochi Pref., Japan (33^25'38"N, 134^00'14"E). Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025): https://gbank.gsj.jp/FossilType/ [details]
Type specimen Holotype: IGPS no. 67142. Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025): https://gbank.gsj.jp/FossilType/ [details]