found at the chalk complexes at the cliffs of the Jasmund Peninsula,
Ruegen Jasmund
North European Plain Germany
Geological Time: Cretaceous Upper Cretaceous Maastrichtian
Lower Maastrichtian
image provided and classification done by:
View of a specimen of Patellina trochiformis (Schacko, 1892)
Diameter 360µm; Height 160µm
particels in the detailed image sized at 1µm to 2µm
The identification is based upon:
Frenzel, Peter, 2000: