Ammonia  sp. 
 
Class: Globothalamea  Subclass: Rotaliana  Order: Rotaliida  Family: Ammoniidae
 
found at Offenbach

Cyrenenmergel
   Upper Rhine Plain   Germany
 
Geological Time: Paleogene  Oligocene  
Sulzheim Formation
 
the specimen was picked and photographed by Michael Hesemann
with assistance of Dr. Georg Rosenfeldt, the raw material is provided by
 

umbilical view
 
 
The identification is based upon:
 Bellier J.-P., Mathieu R. and Granier B., 2010: Short Treatise on Foraminiferology (Essential on modern and fossil Foraminifera) [Court traitè de foraminifèrologie (L'essentiel sur les foraminifères actuels et fossiles)]. Carnets de Gèologie - Notebooks on Geology, Brest, Book 2010/02 (CG2010_B02).  104 pp. Plate 4, Fig. 000d
 
 
genus.php?no=1005450&aktion=suche
 
dataset number: FEU-1005450
 
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