Germany
Project:
Geological Time: Cretaceous
the image is published in the paper mentioned below
holotype
The identification is based upon:
, : Römer, F. A. (1841). Die Versteinerungen des Norddeutschen Kreidegebirges. Mit sechszehn lithographirten Tafeln. Hahn'schen, Hofbuch-handlung, Hannover. [1840] iv + 49-145, pls. 8-20. Plate , Fig.