American South USA
Project:
Geological Time: Cretaceous Upper Cretaceous Maastrichtian
Arkadelphia Marl
the specimen is photographed by Dr.
The identification is based upon:
, : Plummer, H. J. (1927). Foraminifera of the Midway formation in Texas. University of Texas Bulletin. 2644[1926]: 1-206. Plate , Fig.