Gober Chalk, Fannin County, Texas
American South USA
Geological Time: Cretaceous Upper Cretaceous
the SEM image is provided by Dr.
View of a specimen of Schackoina multispinata (Cushman & Wickenden, 1930)
The identification is based upon:
Georgescu, M. D., 2012: Morphology, Taxonomy, Stratigraphical Distribution and Evolutionary Classification of the Schackoinid Planktic Foraminifera (Late Albian-Maastrichtian, Cretaceous) Deep-Sea: Marine Biology, Geology, and Human Impact. page 1-62. Plate 10, Fig. 15-16
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