Lower Austin Chalk, Grayson County, Texas
American South USA
Geological Time: Cretaceous Upper Cretaceous Santonian
the SEM image is provided by Dr.
View of a specimen of Eohastigerinella watersi (Cushman, 1931)
specimen from the Loeblich and Tappan Topotype Collection (NMNH), USNM 473243
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 3, Fig. 5-7
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