Maud Rise
Weddell Sea none
Geological Time: Cretaceous Upper Cretaceous Maastrichtian
the SEM image is provided by Dr.
View of a specimen of Planoheterohelix planata (Cushman, 1938)
The identification is based upon:
Georgescu, M. D., Saupe, E. E., Huber, B. T., 2009: