Foraminifera taxon details
Bireophax Bolli, 1961 †
737551 (urn:lsid:marinespecies.org:taxname:737551)
accepted
Genus
Bireophax guaricoensis Bolli, 1961 † (type by original designation)
marine, brackish, fresh, terrestrial
fossil only
masculine
Bolli, H. M. (1961). Bireophax, a new genus of the foraminiferal family Reophacidae. <em>Eclogae Geologicae Helvetiae.</em> 53: 493-496., available online at https://www.e-periodica.ch/digbib/view?pid=egh-001:1960:53#575
page(s): p. 494 [details] Available for editors
[request]
page(s): p. 494 [details] Available for editors

Diagnosis Large proloculus followed by uniserial row of broad and low chambers, later branching dichotomously after development of a...
Diagnosis Large proloculus followed by uniserial row of broad and low chambers, later branching dichotomously after development of a much broader chamber than usual, each branch then consisting of a single row of chambers; wall coarsely agglutinated, thick, simple, and noncanaliculate in structure; aperture terminal, rounded, at the end of each uniserial series. L. Cretaceous (Albian) to U. Cretaceous (Senonian); Venezuela. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Bireophax Bolli, 1961 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=737551 on 2025-06-20
Date
action
by
original description
Bolli, H. M. (1961). Bireophax, a new genus of the foraminiferal family Reophacidae. <em>Eclogae Geologicae Helvetiae.</em> 53: 493-496., available online at https://www.e-periodica.ch/digbib/view?pid=egh-001:1960:53#575
page(s): p. 494 [details] Available for editors
[request]
page(s): p. 494 [details] Available for editors

From editor or global species database
Diagnosis Large proloculus followed by uniserial row of broad and low chambers, later branching dichotomously after development of a much broader chamber than usual, each branch then consisting of a single row of chambers; wall coarsely agglutinated, thick, simple, and noncanaliculate in structure; aperture terminal, rounded, at the end of each uniserial series. L. Cretaceous (Albian) to U. Cretaceous (Senonian); Venezuela. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]