Foraminifera taxon details
Cyclammina placenta (Reuss, 1851) †
1039538 (urn:lsid:marinespecies.org:taxname:1039538)
accepted
Species
Cyclammina pacifica Beck, 1943 † · unaccepted (Subjective junior synonym in...)
Subjective junior synonym in opinion of Kaminski and Gradstein (http://nhm2.uio.no/norges/atlas/index.htm)
Haplophragmium placenta (Reuss, 1851) † · unaccepted > superseded combination
Nonionina placenta Reuss, 1851 † · unaccepted (Opinion of Kaminski and Gradstein...)
Opinion of Kaminski and Gradstein (http://nhm2.uio.no/norges/atlas/index.htm)
marine, brackish, fresh, terrestrial
fossil only
(of Nonionina placenta Reuss, 1851 †) Reuss, A. E. (1851). Ueber die fossilen Foraminiferen und Entomostraceen der Septarienthone der Umgegend von Berlin. <em>Zeitschrift der Deutschen Geologischen Gesellschaft.</em> 3 (1): 49-92., available online at https://www.biodiversitylibrary.org/page/9458747 [details] 
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Cyclammina placenta (Reuss, 1851) †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=1039538 on 2026-04-05
Date
action
by
original description
(of Cyclammina pacifica Beck, 1943 †) Beck, R.S. (1943). Eocene Foraminifera from Cowlitz River, Lewis County, Washington. Journal of Paleontology, 17(6): 584-614
page(s): p. 591, pl. 98, fig. 23 [details] Available for editors
[request]
original description (of Nonionina placenta Reuss, 1851 †) Reuss, A. E. (1851). Ueber die fossilen Foraminiferen und Entomostraceen der Septarienthone der Umgegend von Berlin. <em>Zeitschrift der Deutschen Geologischen Gesellschaft.</em> 3 (1): 49-92., available online at https://www.biodiversitylibrary.org/page/9458747 [details]
new combination reference Kiesel, Y. (1962). Die oligozänen Foraminiferen der Tiefbohrung Dobbertin (Mecklenburg). <em>Freiberger Forschungshefte, C.</em> 122: 1-123., available online at http://digital.slub-dresden.de/id1679350986 [details] Available for editors [request]
page(s): p. 591, pl. 98, fig. 23 [details] Available for editors
[request]original description (of Nonionina placenta Reuss, 1851 †) Reuss, A. E. (1851). Ueber die fossilen Foraminiferen und Entomostraceen der Septarienthone der Umgegend von Berlin. <em>Zeitschrift der Deutschen Geologischen Gesellschaft.</em> 3 (1): 49-92., available online at https://www.biodiversitylibrary.org/page/9458747 [details]
new combination reference Kiesel, Y. (1962). Die oligozänen Foraminiferen der Tiefbohrung Dobbertin (Mecklenburg). <em>Freiberger Forschungshefte, C.</em> 122: 1-123., available online at http://digital.slub-dresden.de/id1679350986 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
