Acarinina sp.

Taxon Profile

found in material provided by John  from the Purse State Park, Maryland, USA
Aquia Formation, Thanetian, Paleocene      

View of a broken and corroded specimen of Acarinina sp.

SEM picture taken together with Dr. Rosenfeldt
head of the Mikrobiologische Vereinigung

The classification is based upon: ATLAS OF PALEOCENE PLANKTONIC FORAMINIFERA by Richard K. Olsson, Christoph Hemleben, William A. Berggren, Brian T. Huber, Editors and MEMBERS OF THE PALEOGENE PLANKTONIC FORAMINIFERA WORKING GROUP

Acarinina is described as having "coarse pustules (muricae) which become dense, enlarged and spike-like on the umbilical surface around the aperture", which somehow resembles the lower part.