Eprolithus octopetalus

Classification: Mesozoic -> Braarudosphaerales -> Polycyclolithaceae -> Eprolithus -> Eprolithus octopetalus
Sister taxa: E. rarus, E. moratus, E. octopetalus, E. floralis, E. apertior, E. antiquus, E. sp.,

Distinguishing features: Eprolithus with eight wall-elements.


Citation: Eprolithus octopetalus Varol, 1992
Rank: Species

Farinacci & Howe catalog pages: Eprolithus octopetalus * , Lithastrinus octuplus * , Discoaster noelae *

Distinguishing features: Eprolithus with eight wall-elements.

Search data:
TagsLITHS: nannolith-radiate, star-shaped, cylindrical, CA: closed, T-UNITS: T-prominent,
MetricsLith size: 3->9µm; Segments: 8->8;
Sources: illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): in mid part of UC8b subzone (50% up, 92Ma, in Turonian stage). Data source: Burnett 1998, fig. 6.3
First occurrence (base): in upper part of UC5c subzone (80% up, 93.9Ma, in Cenomanian stage). Data source: Burnett 1998, fig.6.3

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: Eprolithus octopetalus, synonyms included - Eprolithus octopetalus;
  • space-time plot :: Samples map :: Parent: Eprolithus


    Bralower, T. J. & Bergen, J. A. (1998). Cenomanian-Santonian calcareous nannofossil biostratigraphy of a transect of cores drilled across the Western Interior Seaway. In, Dean, W. E. & Arthur, M. A. (eds) Stratigraphy and paleoenvironments of the Cretaceous Western Interior Seaway. SEPM Concepts in Sedimentology and Paleontology. -. gs :: ::

    Bukry, D. (1969). Upper Cretaceous coccoliths from Texas and Europe. The University of Kansas Paleontological Contributions. Article 51 (Protista 2): 1-79. gs :: ::

    Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 132-199. gs :: ::

    Hardas, P. & Mutterlose, J. (2006). Calcareous nannofossil biostratigraphy of the Cenomanian/Turonian boundary interval of ODP Leg 207 at the Demerara Rise. Revue de Micropaleontologie. 49(3): 165-179. gs :: ::

    Linnert, C., Mutterlose, J. & Erbacher, J. (2010). Calcareous nannofossils of the Cenomanian/Turonian boundary interval from the Boreal Realm (Wunstorf, northwest Germany). Marine Micropaleontology. 74: 38-58. gs :: ::

    Robaszynski, F. et al. (1993). Le Cénomanien de la région de Kalaat Senan (Tunisie centrale): Litho-biostratigraphie et interprétation séquentielle. Revue de Paléobiologie. 12(2): 351-505. gs :: ::

    Varol, O. (1992b). Taxonomic revision of the Polycyclolithaceae and its contribution to Cretaceous biostratigraphy. Newsletters on Stratigraphy. 27(93-127): -. gs :: ::


    Eprolithus octopetalus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 30-5-2020

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10436 Go to Archive.is to create a permanent copy of this page - citation notes

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