Protoheterohelix washitensis (Tappan, 1940)       3   more

Class: Rotaliata  Subclass: Globigerinana  Order: Heterohelicida  Family: Heterohelicidae
Taxon Profile

found at Dallas-Fort Worth   American South   USA   North Central Texas, Dallas-Fort Worth area

Lower Eagle Ford Group, lower Britton FM, Turner

Geological Time: Cretaceous  Upper Cretaceous  Cenomanian
Britton Formation

Read more in Virginia Friedmans Master Thesis

material provided by Virginia Friedman

View of a specimen of Protoheterohelix washitensis (Tappan, 1940)

The identification is based upon:
Georgescu, Marius D. and Huber, Brian T., 2009: Early Evolution of the Cretaceous serial planktic foraminifera (Late Albian-Cenomanian) in Journal of Foraminiferal Research, Oct 2009; 39: 335 - 360. 26 pp. Plate 1+2, Fig. all


Hesemann, M., 2018: Protoheterohelix washitensis (Tappan, 1940). In: Hesemann, M. 2018 Project Database.
Accessed at on 2018-2-20