Paratrochamminoides olszewskii (Grzybowski, 1898)
 
Class: Rotaliata  Subclass: Textulariana  Order: Lituolida  Family: Lituotubidae
 
Site 897
   off Biscaya and Iberia   Portugal
 
Geological Time: Paleogene  Eocene  Ypresian

the images are published under public domain in the below cited scientific report of the
 
 
View of a specimen of Paratrochamminoides olszewskii (Grzybowski, 1898)

size about 1120µm
 
The identification is based upon:
 Kuhnt, W. and Collins, E.S., 1996: Cretaceous to Paleogene benthic foraminifers from the Iberia abyssal plain. in 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 1, Fig. 10
 
 
genus.php?no=1008375&aktion=suche
 
dataset number: FEU-1008375
 
 
Citation:
Kuhnt, W. and Collins, E.S., 1996: Cretaceous to Paleogene benthic foraminifers from the Iberia abyssal plain. in 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 1, Fig 10