Watznaueria okadai


Classification: Mesozoic -> Watznaueriales -> Watznaueriaceae -> Watznaueria -> Watznaueria okadai
Sister taxa: W. barnesiae, W. bayackii, W. fossacincta, W. manivitiae, W. ovata, W. britannica, W. reinhardtii, W. biporta, W. cynthae, W. contracta, W. okadai, W. quadriradiata, W. fasciata, W. rawsonii, C. baticlypeata, W. sp.,

Distinguishing features: Watznaueria species with sub-axial cross in the central area, long axis crossbar sigmoidal.


Taxonomy:

Citation: Watznaueria okadai Fernando 2014
Rank: Species

Farinacci & Howe catalog pages: Watznaueria okadai * , ,

Distinguishing features: Watznaueria species with sub-axial cross in the central area, long axis crossbar sigmoidal.


Morphology remarks: Similar to W. quadriradiata but with asymmetric central cross and earlier occurrence (Early Aptian vs. Santonian to Maastrichtian)

Geological Range:
Last occurrence (top): within NC7A subzone (122.25-123.88Ma, top in Aptian stage). Data source: Fernando 2014 (type description)
First occurrence (base): within NC6A subzone (125.95-126.40Ma, base in Barremian stage). Data source: Fernando 2014 (type description)

Plot of occurrence data:

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

    References:

    Fernando, A. G. S. (2014). Taxonomic note: Watznaueria okadai, a newspecies of calcareous nannofossil from the Vocontian Basin, southeastern France. Journal of Nannoplankton Research. 1(47): 48-. gs


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    Watznaueria okadai compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 24-7-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=11308 Go to Archive.is to create a permanent copy of this page - citation notes



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