Coccolithus cuvillieri Manivit, 1966
Length 11.0 - 12.0 µm
Optical properties consistent with those of Cruciellipsis.
Cruciellipsis cuvillieri cuvillieri differs from Cruciellipsis cuvillieri grandis in its smaller size (<12.0 µm).
Manivit, H. 1966. On some new coccoliths from the Neocomian. Summary Report of the Sessions of the Geological Society of France. 7: 267-268.
Thierstein, H. R., 1971. Tentative Lower Cretaceous Calcareous Nannoplankton Zonation. Eclogae Geologicae Helvetiae 64, 459-488.
Coccolithus cuvillieri cuvillieri
Manivit, 1966
Valanginian
Carnas, Languedoc, France.