Prediscosphaera borealensis Thibault, 2010
Thibault, N. 2010. Calcareous nannofossils from the boreal Upper Campanian- Maastrichtian chalk of Denmark. Journal of Nannoplankton Research. 31(1): 39-56.
Prediscosphaera borealensis
Thibault, 2010
Late Campanian
Stevns-1 core-hole, Denmark.