Clausicoccus cribellus

(Bramlette & Sullivan, 1961) Prins, 1979 Aug 31, 2025

Set number: 2135

  • C cribellus 1a A 1
  • Clausicoccus 1 A 2
Clausicoccus cribellus, Early Eocene, Sile, Istanbul, Turkey

Fig. 1. 9.91µm; Fig. 2. 8.6µm.
Final Epithet
Clausicoccus cribellus (Bramlette & Sullivan, 1961) Prins, 1979
Basionym

Coccolithites cribellum Bramlette & Sullivan, 1961

Synonyms

Cruciplacolithus cribellus (Bramlette and Sullivan) Romein, 1979

Remarks

The central area is spanned by delicate cross-bars set at a small angle to the placolith axis. The longer axial bar is gently sinuous, while the shorter transverse bar remains straight. The intercrossed areas contain numerous fine pores that are not arranged in concentric cycles.

References

Bramlette, M. N. & Sullivan, F. R. 1961, Coccolithophorids and related nannoplankton of the Early Tertiary in California. Micropaleontology 7(2): 129-188.

Prins, B. 1979. Notes on nannology 1. Clausicoccus, a new genus of fossil Coccolithophorids. INA Newsletter 1: N2-N4.

Romein, A. J. T., 1979. Lineages in Early Paleogene calcareous nannoplankton. Utrecht Micropaleontological Bulletin 22, 1-231.

Taxonomy
Clausicoccus
Biostratigraphy
  • Phanerozoic
    • Cenozoic
      • Paleogene
        • Eocene
          • Early Eocene
            • Ypresian
Stratigraphic Range
Ypresian
Age (Ma)
56.00? - 48.07
Holotype
C cribellus 1b A

Coccolithites cribellum Bramlette & Sullivan, 1961

Early Eocene

Lodo section, northwestern Fresno County, central California, USA