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 |
Taxonomy:
Distinguishing features: Holoccoliths with distinct rim and cover blocks, typically eight.
Farinacci & Howe catalog pages: Octolithus *
Search data:Tags | LITHS: holococcolith, elliptical, CROSS-POLARS: R-prominent, |
Metrics | Lith size: 4.5->5.5µm; Segments: 5->7; |
Geological Range:
Last occurrence (top): at base of Selandian Stage (4% up, 61.5Ma, in Selandian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Campanian Stage (0% up, 83.6Ma, in Campanian stage). Data source: Total of range 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 V O Romein, A. J. T. (1979). Lineages in Early Paleogene calcareous nannoplankton. Utrecht Micropaleontological Bulletin. 22: 1-231. gs V OReferences:
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Octolithus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 9-3-2021
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 |