Oridorsalis umbonatus (Reuss, 1851)
 
Class: Rotaliata  Subclass: Rotaliana  Order: Rotaliida  Family: Alabaminidae
 
found in a core of  ODP Leg 149 Site 898
Site 898
   off Biscaya and Iberia   Portugal
 
Geological Time: Quaternary  Pleistocene  

the images are published under public domain in the below cited scientific report of the
 
 
View of a specimen of Oridorsalis umbonatus (Reuss, 1851)
 
The identification is based upon:
 Collins, E.S., Scott, D.B. and Zhang, J., 1996: Quaternary and Neogene Benthic Foraminifers from Sites 898 and 900, Iberia Abyssal Plain. Whitmarsh, R.B., Sawyer, D.S., Klaus, A., and Masson, D.G. (Eds.), Proc. ODP, Sci. Results, 149: College Station, TX (Ocean Drilling Program   Plate 2, Fig. 12
 
 
genus.php?no=1008419&aktion=suche
 
dataset number: FEU-1008419
 
 
Citation:
Collins, E.S., Scott, D.B. and Zhang, J., 1996: Quaternary and Neogene Benthic Foraminifers from Sites 898 and 900, Iberia Abyssal Plain. Whitmarsh, R.B., Sawyer, D.S., Klaus, A., and Masson, D.G. (Eds.), Proc. ODP, Sci. Results, 149: College Station, TX (Ocean Drilling Program Plate 2, Fig 12