Neogene: Cyclicargolithus
Paleogene: Cyclicargolithus
Neogene: Cyclicargolithus; Cyclicargolithus abisectus
Paleogene: Cyclicargolithus abisectus
Cyclicargolithus floridanus (Roth and Hay in Hay et al., 1967) Bukry, 1971 [Coccolithus]
Description:
Remarks: Common form, <11μm. Often dominates assemblages.
Original description:
Neogene: Coccolithus; Cyclicargolithus; Cyclicargolithus floridanus
Paleogene: Cyclicargolithus floridanus
Cyclicargolithus abisectus (Muller, 1970) Wise, 1973 [Coccolithus?]
Description: Coccoliths large (>11µm), usually sub-circular.
Remarks:
The distinction from C. floridanus on size is arbitrary, but of
some biostratigraphic use (Olafsson,
1992)
Original description:
Neogene: Coccolithus; Cyclicargolithus; Cyclicargolithus abisectus
Paleogene: Cyclicargolithus abisectus
Genus Cyclicargolithus Bukry, 1971
Description: Coccoliths circular to sub-circular with small central-area, proximal shield significantly smaller than distal shield. Included by some authors in Reticulofenestra. Grill delicate and rarely preserved.
Remarks:
Neogene: Cyclicargolithus