Oridorsalis umbonatus   (Reuss, 1851)
 
Class: Rotaliata  Subclass: Rotaliana  Order: Rotaliida  Family: Alabaminidae
 
found in the North Atlantic unknown
      none
 
Geological Time: Quaternary  Holocene  recent
 
the drawings are published in the book cited below, author and collection:
 
 
 
The identification is based upon:
 Cushman, J., A., 1931: The Foraminifera of the Atlantic Ocean. Part 8. Rotaliidae, Amphisteginidae, Calcarinidae, Cymbaloporettidae, Globorotaliidae, Anomalinidae, Planorbulinidae, Rupertiidae and Homotremidae.  Smithsonian Institution United States National Museum Bulletin 104.  Plate 11, Fig. 1-3
 
 
genus.php?no=1013092&aktion=suche
 
dataset number: FEU-1013092
 
Citation: Hesemann, M., The Foraminifera.eu Database (2024). Accessed at http://www.foraminifera.eu on 2024-07-23. doi: 10/dt5p