Niobrara Formation (Wyoming)
USA
Geological Time: Cretaceous Upper Cretaceous
the SEM image is provided by Dr.
View of a specimen of Eohastigerinella subdigitata (Carman, 1929)
the identification may differ from that on WoRMS and is based on the publication mentioned below
The identification is based upon:
Georgescu, M. D., 2011: New data on the evolutionary classification of the Late
Cretaceous (late Coniacian-Santonian) planktic foraminifera
with elongate chambers Revista Española de Micropaleontología, 43 (1-2). page 39-54. Plate 1, Fig. 2