Blake Plateau (western North Atlantic Ocean)
East Coast none
Geological Time: Cretaceous Upper Cretaceous Turonian
the SEM image is provided by Dr.
View of a specimen of Bollitruncana posthelvetica (Hanzlikova, 1963)
The identification is based upon:
Georgescu, M. D., 2012: Evolutionary classification of the Late Cretaceous (Coniacian-Maastrichtian) Planktic Foraminifera Archaeoglobigerina Pessagno, 1967 and Gandolfia new
genus / Directional Lineage Deep-Sea: Marine Biology, Geology, and Human Impact. Chapter 3 page 101-130. Plate IV, Fig. 1-3
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