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: W. bayacki *

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


Morphology:

Search data:
TagsLITHS: placolith, elliptical, CA: ca_conjunct, closed,
CSPH: equant, monomorphic, CROSS-POLARS: rim-unicyclic, R-prominent,
MetricsLith size: 5->8┬Ám;
Data source notes: 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:

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 1970. Edizioni Tecnoscienza, Rome 2: 1301-1321. gs


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Watznaueria bayackii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 21-10-2020

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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



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