Foraminifera name details
Sigmomorpha (Sigmomorpha) sawanensis Cushman & Ozawa, 1929 †
1046746 (urn:lsid:marinespecies.org:taxname:1046746)
unaccepted (Opinion of Cushman and Ozawa (1930))
Species
Sigmomorpha (Sigmomorpha) Cushman & Ozawa, 1928 represented as Sigmomorpha Cushman & Ozawa, 1928 accepted as Guttulina d'Orbigny, 1839
Sigmomorpha sawanensis Cushman & Ozawa, 1929 † · alternative representation
marine, brackish, fresh, terrestrial
fossil only
Cushman, J. A.; Ozawa, Y. (1929). Some species of fossil and Recent Polymorphinidae found in Japan. <em>Japanese journal of geology and geophysics.</em> 6: 63-77. [details] Available for editors 
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Note A sea - cliff facing Mano Bay, Sawane, Sawane...
From editor or global species database
Type locality A sea - cliff facing Mano Bay, Sawane, Sawane - machi (Sawane, Sawata - machi), Sado - gun, Niigata Pref., Japan (37^59.8'N, 138^16.7'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: Sawane Formation
Fossil range Age: Pliocene; Formation name: Sawane Formation [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2021). World Foraminifera Database. Sigmomorpha (Sigmomorpha) sawanensis Cushman & Ozawa, 1929 †. Accessed at: http://marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=1046746 on 2026-02-18
Date
action
by
original description
Cushman, J. A.; Ozawa, Y. (1929). Some species of fossil and Recent Polymorphinidae found in Japan. <em>Japanese journal of geology and geophysics.</em> 6: 63-77. [details] Available for editors [request]
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]
[request]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: Pliocene; Formation name: Sawane Formation [details]Type locality A sea - cliff facing Mano Bay, Sawane, Sawane - machi (Sawane, Sawata - machi), Sado - gun, Niigata Pref., Japan (37^59.8'N, 138^16.7'E). Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025): https://gbank.gsj.jp/FossilType/ [details]
Type specimen Holotype: Univ. Tokyo (not numbered). Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025): https://gbank.gsj.jp/FossilType/ [details]