Calcidiscus sp.

Classification: Coccolithophores -> Coccolithales -> Calcidiscaceae -> Calcidiscus -> Calcidiscus sp.
Sister taxa: C. leptoporus group, C. pacificanus group, C. sp.,


Citation: Calcidiscus sp.
Rank: Species

Distinguishing features: Specimens which cannot be assigned to established species

Farinacci & Howe catalog pages: Cyclolithella kariana * ,

Search data:
MetricsLith size: 0->0µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): Extant Data source: same as genus
First occurrence (base): within NP9 zone (55.86-57.21Ma, base in Thanetian stage). Data source: same as genus

Plot of occurrence data:

  • Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
  • Note to users in China - the diagram may not plot unless you use a VPN since I use google services on the website. If this is a problem please contact me 谢谢.
  • Taxon plotted: Calcidiscus sp., synonyms included - Calcidiscus (unspecified taxon or taxa); Calcidiscus sp.; Calcidiscus sp. A; Cyclococcolithina leptopora (q); Cyclococcolithina macintyrei (q); Cyclococcolithus sp.; Cyclococcolithus sp. cf. C. leptoporus; Cyclococcolithus sp. cf. C. macintyrei; Cyclolithella kalianata; Calcidiscus sp. cf. radiatus; Calcidiscus spp.; Calcidiscus simplex; Cyclococcolithina sp.; space-time plot :: Samples map :: Parent: Calcidiscus


    Bukry, D. (1971b). Cenozoic calcareous nannofossils from the Pacific Ocean. San Diego Society of Natural History Transactions. 16: 303-327. gs

    Okada, H. (1990). Quaternary and Paleogene calcareous nannofossils, Leg 115. Proceedings of the Ocean Drilling Program. Scientific Results. 115: 129-174. gs


    Calcidiscus sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 24-7-2019

    Taxon Search:
    Advanced Search

    Short stable page link: Go to to create a permanent copy of this page - citation notes

    Comments (0)

    No comments yet. Be the first!

    Add Comment

    * Required information
    Captcha Image
    Powered by Commentics