Type Species: Coccolithites macellus Bramlette & Sullivan, 1961
Bramlette, M. N. & Sullivan, F. R., (1961): Coccolithophorids and related nannoplankton of the Early Tertiary in California. - Micropaleontology. 7(2): 129-188.
Sullivan, F. R., (1964): Lower Tertiary nannoplankton from the California Coast Ranges. I. Paleocene. - University of California Publications in Geological Sciences. 44: 163-227.