Cricolithus scutulatus Risatti, 1973
The optical properties of the pelaga are consistent with those of Allemanites, whereas the central area displays whitish-grey interference colours.
Risatti, J. B. 1973. Nannoplankton biostratigraphy of the Upper Bluffport Marl-Lower Prairie Bluff Chalk interval (upper Cretaceous) in Mississippi. In: Smith, L. A. & Hardenbol, J. (Eds) Proceedings of the Symposium on Calcareous Nannofossils. Gulf Coast Section SEPM Publication. 8-57.
Cricolithus scutulatus
Risatti, 1973
Late Cretaceous
Mississippi, USA