Oridorsalis  umbonatus  (Reuss, 1851)       

Class: Globothalamea   Subclass: Rotaliana   Order: Rotaliida   Family: Alabaminidae
Taxon Profile

found at the bottom of the Fram Strait    Greenland   

Geological Time: recent  Holocene  Quaternary

Raw material provided by Joachim Voß
in the collection of Karl-Otto Bock

View of specimens of Oridorsalis umbonatus (Reuss, 1851)

the specimens are placed by Karl-Otto Bock and photographed by Georg Wawczyniak

The identification is based upon:
Hayward, B.W., Cedhagen, T., Kaminski, M., Gross, O., 2020: World Foraminifera Database at WFD as seen in 2020 Plate n.a., Fig. n.a.