Class: Globothalamea  Subclass: Rotaliana  Order: Rotaliida  Family: Heterohelicidae

 

found in the area of  Dallas-Fort Worth

North Central Texas, Dallas-Fort Worth area

Lower Eagle Ford Group, lower Britton FM, Turner

   American South   USA

Project:

 

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:

 Nederbragt, Alexandra J., 1991: Late Cretaceous biostratigraphy and development of Heterohelicidae (planktic foraminifera) <a href='micropaleontology.php' target='_blank'>micropaleontology</a>&nbsp;37  44 pp. Plate 3, Fig. 

 

 

 

dataset number: FEU-1004372