Nannotax3 - ntax_main - Octolithus sp. Nannotax3 - ntax_main - Octolithus sp.

Octolithus sp.


Classification: ntax_main -> Holococcoliths -> fossil holococcoliths -> Octolithus -> Octolithus sp.
Sister taxa: O. multiplus, O. sp.


Taxonomy:
Citation: Octolithus sp.
Taxonomic rank: generic level id

Distinguishing features:
Parent taxon (Octolithus): Holoccoliths with distinct rim and cover blocks, typically eight.
This taxon: Specimens which cannot be assigned to any established species

Farinacci & Howe catalog pages:

Search data:
Lith 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): within NP4 zone (61.51-63.25Ma, top in Selandian stage). Data source: same as genus
First occurrence (base): within Campanian Stage (72.17-83.65Ma, base in Campanian stage). Data source: same as genus

Plot of occurrence data:

References:

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


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Octolithus sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 12-2-2026

Taxon Search:
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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=954 Go to Archive.is to create a permanent copy of this page - citation notes



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