Kokia stellata


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

Distinguishing features: Stellate, multiradiate, rosette-shaped nannolith constructed from 10-15 single crystal-unit rays joined for most of their length along curved sutures; low birefringence under XPL.


Taxonomy:

Citation: Kokia stellata Bown, 2005
Rank: Species

Farinacci & Howe catalog pages: K. stellata *

Distinguishing features: Stellate, multiradiate, rosette-shaped nannolith constructed from 10-15 single crystal-unit rays joined for most of their length along curved sutures; low birefringence under XPL.


Morphology: Kokia borealis has fewer rays joined along straight sutures, and K. curvata has fewer rays that are overlapping.

Size: Diameter = 4.5-8.0 µm

Search data:
TagsLITHS: nannolith-radiate, circular, star-shaped, CA: closed, CROSS-POLARS: T-prominent,
MetricsLith size: 4.5->8µm; Segments: 10->15;
Data source notes: original description
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Berriasian Stage (139.39-145.01Ma, top in Berriasian stage). Data source: Bown 2005
First occurrence (base): within Berriasian Stage (139.39-145.01Ma, base in Berriasian stage). Data source: Bown 2005

Plot of occurrence data:

References:

Bown, P. R. (2005c). Early to Mid-Cretaceous Calcareous Nannoplankton from the Northwest Pacific Ocean, Leg 198, Shatsky Rise. Proceedings of the Ocean Drilling Program, Scientific Results. 198: 1-82. gs V O


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Kokia stellata compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 23-1-2021

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10547 Go to Archive.is to create a permanent copy of this page - citation notes



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