Foraminifera name details

Trochammina symmetrica Ujiié & Watanabe, 1960 †

922060  (urn:lsid:marinespecies.org:taxname:922060)

  1. Biota
  2. Chromista (Kingdom)
  3. Harosa (Subkingdom)
  4. Rhizaria (Infrakingdom)
  5. Foraminifera (Phylum)
  6. Globothalamea (Class)
  7. Textulariana (Subclass)
  8. Lituolida (Order)
  9. Trochamminina (Suborder)
  10. Trochamminoidea (Superfamily)
  11. Trochamminidae (Family)
  12. Trochammininae (Subfamily)
  13. Trochammina (Genus)
  14. Trochammina symmetrica † (Species)
 unaccepted (Opinion of Hanagata (2002))
Species
marine, fresh, terrestrial
fossil only
Ujiié, H.; Watanabe, H. (1960). The Poronai foraminifera of the northern Ishikari Coal Field, Hokkaidô. <em>Science Reports of the Tokyo Kyoiku Daigaku, Ser. C, Geology, Mineralogy and Geography.</em> 7(63): 117-136.
page(s): p. 134, pI. 1, figs. 10, 11. [details] 
Note Kami - ashibetsu, Ashibetsu City (northern...  
From editor or global species database
Type locality Kami - ashibetsu, Ashibetsu City (northern Ishikari Coal - filed), 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: Eocene; Formation name: Poronai Formation  
Fossil range Age: Eocene; Formation name: Poronai Formation [details]

Type specimen Holotype: Inst. Geol. Min., Tokyo Univ. Edu., Reg. No. 50681, Paratype: Inst. Geol. Min., Tokyo Univ. Edu., Reg. No. 50659...  
Type specimen Holotype: Inst. Geol. Min., Tokyo Univ. Edu., Reg. No. 50681, Paratype: Inst. Geol. Min., Tokyo Univ. Edu., Reg. No. 50659 (Pl. 1, fig. 11). 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. Trochammina symmetrica Ujiié & Watanabe, 1960 †. Accessed at: http://marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=922060 on 2026-02-25
Date
action
by
2016-12-23 07:02:07Z
created
Hayward, Bruce W.
2017-01-15 23:17:13Z
changed
Le Coze, François
2020-12-29 11:14:39Z
changed
Le Coze, François

original description Ujiié, H.; Watanabe, H. (1960). The Poronai foraminifera of the northern Ishikari Coal Field, Hokkaidô. <em>Science Reports of the Tokyo Kyoiku Daigaku, Ser. C, Geology, Mineralogy and Geography.</em> 7(63): 117-136.
page(s): p. 134, pI. 1, figs. 10, 11. [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: Eocene; Formation name: Poronai Formation [details]

Type locality Kami - ashibetsu, Ashibetsu City (northern Ishikari Coal - filed), 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: Inst. Geol. Min., Tokyo Univ. Edu., Reg. No. 50681, Paratype: Inst. Geol. Min., Tokyo Univ. Edu., Reg. No. 50659 (Pl. 1, fig. 11). Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025): https://gbank.gsj.jp/FossilType/ [details]

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