Foraminifera taxon details
Pulvinulina singularis Yokoyama, 1880 †
920113 (urn:lsid:marinespecies.org:taxname:920113)
accepted
Species
marine, brackish, fresh, terrestrial
fossil only
Yokoyama, M. (1890). Versteinerungen aus der japanischen Kreide. <em>Palaeontographica.</em> 36 (4-6): 159-202 36, pls. 18–25., available online at https://www.biodiversitylibrary.org/page/33197214 [details] 
Note Poronai, Mikasayama - mura, Sorachi - gun...
From editor or global species database
Type locality Poronai, Mikasayama - mura, Sorachi - gun (Poronai, Mikasa City), Hokkaido, Japan. Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025): https://gbank.gsj.jp/FossilType/ [details]
Fossil range Age: Cretaceous (Oligocene); Formation name: Poronai shale (Poronai Formation)
Type specimen Holotype: (unknown). Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025):...
Fossil range Age: Cretaceous (Oligocene); Formation name: Poronai shale (Poronai Formation) [details]
Type specimen Holotype: (unknown). Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025):...
Type specimen Holotype: (unknown). 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. Pulvinulina singularis Yokoyama, 1880 †. Accessed at: http://www.marinespecies.org/Foraminifera/aphia.php?p=taxdetails&id=920113 on 2026-05-08
Date
action
by
original description
Yokoyama, M. (1890). Versteinerungen aus der japanischen Kreide. <em>Palaeontographica.</em> 36 (4-6): 159-202 36, pls. 18–25., available online at https://www.biodiversitylibrary.org/page/33197214 [details]
basis of record Ellis, B. F.; Messina, A. R. (1940-2015). Catalogue of Foraminifera. <em>Micropaleontology Press, American Museum of Natural History, New York.</em> [details]
basis of record Ellis, B. F.; Messina, A. R. (1940-2015). Catalogue of Foraminifera. <em>Micropaleontology Press, American Museum of Natural History, New York.</em> [details]
From editor or global species database
Fossil range Age: Cretaceous (Oligocene); Formation name: Poronai shale (Poronai Formation) [details]Type locality Poronai, Mikasayama - mura, Sorachi - gun (Poronai, Mikasa City), Hokkaido, Japan. Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025): https://gbank.gsj.jp/FossilType/ [details]
Type specimen Holotype: (unknown). Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025): https://gbank.gsj.jp/FossilType/ [details]