Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
| Octolithus multiplus Holococccolith with four main blocks and two smaller blocks at either end. | ||||
| Octolithus sp. Specimens which cannot be assigned to any established species | ||||
Distinguishing features:
Parent taxon (fossil holococcoliths): Holococcolith genera only known from the fossil record
This taxon: Holoccoliths with distinct rim and cover blocks, typically eight.
Farinacci & Howe catalog pages:
Octolithus *
| LITHS: holococcolith, elliptical, CROSS-POLARS: R-prominent, |
| Lith size: 4.5->5.5µm; Segments: 5->7; |
Geological Range:
Last occurrence (top): at top of NP4 zone (100% up, 61.5Ma, in Selandian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Campanian Stage (72.17-83.65Ma, base in Campanian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series . 132-199. gs O Romein, A. J. T. (1979). Lineages in Early Paleogene calcareous nannoplankton. Utrecht Micropaleontological Bulletin. 22: 1-231. gs OReferences:

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Octolithus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 23-1-2026
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=952 Go to Archive.is to create a permanent copy of this page - citation notes |
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