Cribrosphaerella circula

(Risatti, 1973) Lees, 2007 May 05, 2026

Set number: 3177

  • Cribrosphaerella circula 13839 1
  • Cribrosphaerella circula 13842 2
  • Cribrosphaerella circula 13837 3
  • Cribrosphaerella circula 13838 4
  • Cribrosphaerella circula 13840 5
  • Cribrosphaerella circula 13841 6
    10µm
Cribrosphaerella circula, Late Maastrichtian, The specific location cannot be disclosed.

Set number: 3178

  • Cribrosphaerella circula 5125 1
  • Cribrosphaerella circula 5126 2
    10µm
Cribrosphaerella circula, Middle Campanian, Arabian Peninsula (The specific location cannot be disclosed)
Final Epithet
Cribrosphaerella circula (Risatti, 1973) Lees, 2007
Basionym

Cribrosphaera circula Risatti, 1973

Optical Properties

Optical characteristics are similar to those of the genus Cribrosphaerella.

Remarks

Circular species of Cribrosphaerella.

References

Lees, J. A. 2007. New and rarely reported calcareous nannofossils from the Late Cretaceous of coastal Tanzania: outcrop samples and Tanzania Drilling Project Sites 5, 9 and 15. Journal of Nannoplankton Research 29(1): 39-65.

Risatti, J. B. 1973. Nannoplankton biostratigraphy of the Upper Bluffport Marl-Lower Prairie Bluff Chalk interval (upper Cretaceous) in Mississippi. In: Smith, L. A. & Hardenbol, J. (Eds) Proceedings of the Symposium on Calcareous Nannofossils. Gulf Coast Section SEPM Publication. 8-57.

Taxonomy
Cribrosphaerella
Biostratigraphy
  • Phanerozoic
    • Mesozoic
      • Cretaceous
        • Late Cretaceous
          • Senonian
            • Maastrichtian
              • Late Maastrichtian
          • Gallic
            • Turonian
              • Early Turonian
Stratigraphic Range
Early Turonian - Late Maastrichtian
Age (Ma)
93.90? - 66.04?
Holotype
Cribrosphaerella circula 13842 Cribrosphaerella circula 13842

Cribrosphaera circula Risatti, 1973

Late Cretaceous

Mississippi, USA