Protoheterohelix washitensis (Tappan, 1940)
Class: Rotaliata Subclass: Globigerinana Order: Heterohelicida Family: HeterohelicidaeTaxon 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
the image is made by Dr. Georg Rosenfeldt and Michael Hesemann with support of the
Naturwissenschaftlicher Verein in Hamburg
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:
Caron, Michele, 1985: Cretaceous planktic foraminifera in Bolli et al., 1985: Plankton Stratigraphy Cambridge University Press 599 pp. Plate 24, Fig. 6-7
