Cepek, P. (1977): Mesozoic calcareous nannoplankton of the eastern North Atlantic, Leg 41. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Gardner, J. (editor), Herring, J. (editor), Abidjan, Ivory Coast, to Malaga, Spain, February-April 1975, 41, 667-687, georefid:1978-027274