Foraminifera taxon details
Polytaxis biconvexa (St. Jean, 1957) †
1865712 (urn:lsid:marinespecies.org:taxname:1865712)
accepted
Species
Tetrataxis biconvexa St. Jean, 1957 † · unaccepted > superseded combination (Opinion of Pinard and Mamet (1998))
marine
fossil only
(of Tetrataxis biconvexa St. Jean, 1957 †) St. Jean, J. Jr. (1957). A Middle Pennsylvanian foraminiferal fauna from Dubois County, Indiana. <em>Indiana Geol. Survey Bull.</em> 10: 1-66., available online at http://hdl.handle.net/2022/209 [details] Available for editors 
[request]
[request]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Polytaxis biconvexa (St. Jean, 1957) †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=1865712 on 2026-01-15
Date
action
by
original description
(of Tetrataxis biconvexa St. Jean, 1957 †) St. Jean, J. Jr. (1957). A Middle Pennsylvanian foraminiferal fauna from Dubois County, Indiana. <em>Indiana Geol. Survey Bull.</em> 10: 1-66., available online at http://hdl.handle.net/2022/209 [details] Available for editors [request]
new combination reference Pinard, S.; Mamet, B. (1998). Taxonomie des petits foraminifères du Carbonifère supérieur-Permien inférieur du bassin de Sverdrup, Arctique canadien. <em>Palaeontographica Canadiana.</em> 15: 1-253. [details] Available for editors [request]
[request]new combination reference Pinard, S.; Mamet, B. (1998). Taxonomie des petits foraminifères du Carbonifère supérieur-Permien inférieur du bassin de Sverdrup, Arctique canadien. <em>Palaeontographica Canadiana.</em> 15: 1-253. [details] Available for editors
[request]