North Central Texas, Dallas-Fort Worth area
Lower Eagle Ford Group, lower Britton FM, Turner
American South USA
Geological Time: Cretaceous Upper Cretaceous Cenomanian
Britton Formation
the specimen was picked and photographed by Michael Hesemann
with assistance of Dr. Georg Rosenfeldt, the raw material is provided by
The identification is based upon:
Caron, Michele, 1985: Cretaceous planktic foraminifera Bolli et al., 1985: Plankton Stratigraphy Cambridge University Press 599 pp. Plate 24, Fig. 6-7