Elphidium excavatum (Terquem, 1875)
Class: Rotaliata  Subclass: Rotaliana  Order: Elphidiida  Family: Elphidiidae
found at the bottom of the  Flensburg Fjord
   Baltic Sea   Germany
Geological Time: Quaternary  Holocene  recent

the image is provided by Dr.
View of a specimen of Elphidium excavatum (Terquem, 1875)
The identification is based upon:
 Polovodova, I., Schoenfeld, J., 2008: Foraminiferal test abnormalities in the western Baltic Sea Journal of Foraminiferal Research, v.38, no.4  19 pp. Plate 1+2, Fig. 
dataset number: FEU-1000564
Polovodova, I., Schoenfeld, J., 2008: Foraminiferal test abnormalities in the western Baltic Sea Journal of Foraminiferal Research, v.38, no.4 19 pp. Plate 1+2, Fig