Neocrepidolithus cohenii

Classification: Mesozoic -> Eiffellithales -> Chiastozygaceae -> Neocrepidolithus -> Neocrepidolithus cohenii
Sister taxa: N. cohenii, N. cruciatus, N. ruegenensis, N. watkinsii, N. sp.,

Distinguishing features: Closed central area; unicyclic


Citation: Neocrepidolithus cohenii (Perch-Nielsen, 1968) Perch-Nielsen, 1984
Rank: Species
Basionym: Crepidolithus cohenii Perch-Nielsen, 1968

Farinacci & Howe catalog pages: Crepidolithus cohenii *

Distinguishing features: Closed central area; unicyclic

Search data:
TagsLITHS: murolith, elliptical, CA: closed, V-UNITS: V-prominent, DETAILS: ca_disjunct, rim-unicyclic,
MetricsLith size: 5->7µm;
Sources: original description & illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Maastrichtian Stage (66.04-72.05Ma, top in Maastrichtian stage). Data source: Perch-Nielsen 1985b
First occurrence (base): in mid part of UC10 zone (50% up, 88.1Ma, in Coniacian stage). Data source: Burnett 1998, fig 6.4

Plot of occurrence data:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Neocrepidolithus


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

    Thibault, N. (2010). Calcareous nannofossils from the boreal Upper Campanian- Maastrichtian chalk of Denmark. Journal of Nannoplankton Research. 30(1): 39-56. gs


    Neocrepidolithus cohenii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 10-4-2020

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