Geological Time: Paleogene Eocene
the SEM image is provided by Dr. hab. Anna Waśkowska,
AGH University of Science and Technology, Faculty of General Geology and Geotourism
to the page of Dr. hab.
View of a specimen of Karrerulina conversa (Grzybowski, 1901)
The identification is based upon:
Waśkowska, A., Cieszkowski, M., 2014: