Kokia curvata


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

Distinguishing features: Rosette-shaped nannolith with around eight rays with rounded terminations joined along curving sutures. Very short free ray length.


Taxonomy:

Citation: Kokia curvata Perch-Nielsen, 1988
Rank: Species

Farinacci & Howe catalog pages: Kokia curvata *

Distinguishing features: Rosette-shaped nannolith with around eight rays with rounded terminations joined along curving sutures. Very short free ray length.

Geological Range:
Last occurrence (top): within Early Valanginian Substage (136.41-139.39Ma, top in Valanginian stage). Data source: Bown et al. 1998
First occurrence (base): within Berriasian Stage (139.39-145.01Ma, base in Berriasian stage). Data source: Bown et al. 1998

Plot of occurrence data:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Kokia

    References:

    Bown, P. R., Rutledge, D. C., Crux, J. A. & Gallagher, L. T. (1998). Early Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 86-131. gs

    Jeremiah, J. (2001). A Lower Cretaceous nannofossil zonation for the North Sea Basin. Journal of Micropalaeontology. 20: 45-80. gs

    Perch-Nielsen, K. (1988). New Lower Cretaceous calcareous nannofossil species from England. INA Newsletter. 10(1): 30-37. gs


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    Kokia curvata compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-10-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10544 Go to Archive.is to create a permanent copy of this page - citation notes



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