Nannotax3 - ntax_mesozoic - Kokia kayae

Kokia kayae


Classification: ntax_mesozoic -> Braarudosphaerales -> Other nannoliths with tangential c-axes -> Kokia -> Kokia kayae
Sister taxa: K. borealis, K. curvata, K. kayae, K. stellata, K. sp.

Distinguishing features:
Parent taxon (Kokia): Stellate, multiradiate, rosette-shaped nannoliths constructed from >6 single crystal-unit radial rays that show grey to white birefringence under XPL.
This taxon: Kokia formed of 7 segments, with long free-rays.


Taxonomy:

Citation: Kokia kayae Lees & Bown 2016
Rank: Species

Farinacci & Howe catalog pages: K. kayae *

Distinguishing features:
Parent taxon (Kokia): Stellate, multiradiate, rosette-shaped nannoliths constructed from >6 single crystal-unit radial rays that show grey to white birefringence under XPL.
This taxon: Kokia formed of 7 segments, with long free-rays.


Morphology:


Size:

Search data:
TagsLITHS: nannolith-radiate, star-shaped, CA: closed, CROSS-POLARS: T-prominent,
MetricsLith size: 10->15µm; Segments: 7->7;
Data source notes: 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 Early Turonian Substage (92.90-93.90Ma, top in Turonian stage). Data source: original description
First occurrence (base): within Early Turonian Substage (92.90-93.90Ma, base in Turonian stage). Data source: original description

Plot of occurrence data:

References:

Lees, J. A. & Bown, P. R. (2016). New and intriguing calcareous nannofossils from the Turonian (Upper Cretaceous) of Tanzania. Journal of Nannoplankton Research. 36(1): 83-95. gs V O

Püttmann, T. & Mutterlose, J. (2019). Calcareous nannofossils from a Late Cretaceous nearshore setting. Journal of Nannoplankton Research. S4: 81-88. gs V O


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Kokia kayae compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 4-7-2022

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10545 Go to Archive.is to create a permanent copy of this page - citation notes



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