Sigmavirgulina tortuosa  (Brady, 1881)
 
Class: Globothalamea  Subclass: Rotaliana  Order: Rotaliida  Family: Bolivinitidae
 
found at Socotra
in the sea north of Socotra
   Arabian Sea   Yemen
 
Geological Time: Quaternary  Holocene  recent
 
the specimen was picked and photographed by Michael Hesemann
with assistance of Dr. Georg Rosenfeldt, the raw material is provided by
 
 
 
The identification is based upon:
 Loeblich, A. R., Tappan, H. N., 1994: Foraminifera of the Sahul Shelf and Timor Sea.  Cushman Foundation for Foraminiferal Research, Special Publication 31. 661 pp. Plate 261, Fig. 
 
 
genus.php?no=1001791&aktion=suche
 
dataset number: FEU-1001791
 
Citation: Hesemann, M., The Foraminifera.eu Database (2025). Accessed at http://www.foraminifera.eu on 2025-05-18. https://doi.org/10.13140/RG.2.2.22727.11680/1