Ceratolithoides verbeekii Perch-Nielsen, 1979b
Perch-Nielsen, K. 1979b. Calcareous nannofossils from the Cretaceous between the North Sea and the Mediterranean. In, Weidmann, J. (ed.) Aspekte der Kreide Europas. International Union of Geological Sciences Series A. 6: 223-272.
Ceratolithoides verbeekii
Perch-Nielsen, 1979
Campanian
El Kef, Tunisia