Foraminifera taxon details
Gyroconulina Schroeder & Darmoian, 1977 †
739318 (urn:lsid:marinespecies.org:taxname:739318)
accepted
Genus
Gyroconulina columellifera Schroeder & Darmoian, 1977 † (type by original designation)
marine, brackish, fresh, terrestrial
fossil only
feminine
Schroeder, R.; Darmoian, S. A. (1977). Gyroconulina columellifera n. gen., n. sp., a complex ataxophragmiid foraminifer from the Aqra limestone (Maastrichtian) of Northern Iraq. <em>Bollettino della Società Paleontologica Italiana.</em> 16(1): 117-123., available online at https://www.paleoitalia.it/bollettino-spi/bspi-vol-16/
page(s): p. 118 [details] Available for editors
[request]
page(s): p. 118 [details] Available for editors
[request]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Gyroconulina Schroeder & Darmoian, 1977 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=739318 on 2024-08-31
Date
action
by
original description
Schroeder, R.; Darmoian, S. A. (1977). Gyroconulina columellifera n. gen., n. sp., a complex ataxophragmiid foraminifer from the Aqra limestone (Maastrichtian) of Northern Iraq. <em>Bollettino della Società Paleontologica Italiana.</em> 16(1): 117-123., available online at https://www.paleoitalia.it/bollettino-spi/bspi-vol-16/
page(s): p. 118 [details] Available for editors [request]
page(s): p. 118 [details] Available for editors
[request] From editor or global species database
Diagnosis Test with conical early stage, later nearly cylindrical, globular proloculus followed by about two or three broad, low, and trochospirally arranged chambers per whorl but does not become completely uniserial; marginal zone of all chambers after the proloculus and second chamber subdivided by vertical exoskeletal beams and horizontal rafters, both perpendicular to the outer surface of the test and deflected at their junctions to form a honeycomblike subepidermal network, central zone with irregularly distributed vertical pillars that thicken at the chamber floor and roof; numerous small apertural pores on the surface of the central zone of the apertural face, those of previous chambers opening into the central zone of the chambers of the previous whorl. U. Cretaceous (U. Maastrichtian); Iraq. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
