Oridorsalis umbonatus  (Reuss, 1851)
 
Class: Globothalamea  Subclass: Rotaliana  Order: Rotaliida  Family: Alabaminidae
 
found at Stade
   North European Plain   Germany
 
Geological Time: Neogene  Miocene  
 
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:
 Takata, H., and Nomura, R., 2005: Data report: Oligocene benthic foraminifers from the eastern equatorial Pacific, Sites 1218 and 1219, ODP Leg 199 Wilson, P.A., Lyle, M., and Firth, J.V. (Eds.), Proc. ODP, Sci. Results, 199: College Station, TX (Ocean Drilling Program) 1-26.  26 pp. Plate 3, Fig. 4
 
 
genus.php?no=1001392&aktion=suche
 
dataset number: FEU-1001392
 
Citation: Hesemann, M., The Foraminifera.eu Database (2025). Accessed at http://www.foraminifera.eu on 2025-06-23. https://doi.org/10.13140/RG.2.2.22727.11680/1