Watznaueria bayackii


Classification: Mesozoic -> Watznaueriales -> Watznaueriaceae -> Watznaueria -> Watznaueria bayackii
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-like in appearance but appear flat and have relatively large, visible rim elements.


Taxonomy:

Citation: Watznaueria bayackii Worsley, 1971
Rank: Species

Farinacci & Howe catalog pages: Watznaueria bayacki *

Distinguishing features: Watznaueria-like in appearance but appear flat and have relatively large, visible rim elements.


Morphology remarks: May represent disaggregated, isolated shields of Watznaueria barnesiae.

Search data:
TagsLITHS: placolith, elliptical, CA: closed,
CSPH: equant, monomorphic, R-UNITS: R-prominent, DETAILS: ca_conjunct, rim-unicyclic,
MetricsLith size: 5->8µm;
Sources: guesstimate/medium-size coccolith
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Hauterivian Stage (130.77-133.88Ma, top in Hauterivian stage). Data source: Original description
First occurrence (base): within Portlandian W. Europe-British Stage (144.10-147.93Ma, base in Tithonian stage). Data source: Original description

Plot of occurrence data:

  • Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
  • Note to users in China - the diagram may not plot unless you use a VPN since I use google services on the website. If this is a problem please contact me 谢谢.
  • Taxon plotted: Watznaueria bayackii, synonyms included - Watznaueria bayackii;
  • space-time plot :: Samples map :: Parent: Watznaueria

    References:

    Worsley, T. R. (1971). Calcareous nannofossil zonation of Upper Jurassic and Lower Cretaceous sediments from the Western Atlantic. In, Farinacci, A. (ed.) Proceedings of the Second Planktonic Conference Roma 1971. Edizioni Tecnoscienza, Rome 2: 1301-1321. gs

    nannotaxlogo400px

    Watznaueria bayackii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 17-2-2020

    Taxon Search:
    		Advanced Search

    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=11300 Go to Archive.is to create a permanent copy of this page - citation notes
    Powered by Mikrotax taxonomy content management system developed by Jeremy Young


    Comments (0)

    No comments yet on this page. Please do add comments if you spot any problems, or have information to share

    Add Comment

    * Required information
    1000
    Captcha Image
    Powered by Commentics