Nannotax3 - ntax_mesozoic - Watznaueria bayackii

Watznaueria bayackii

Classification: ntax_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.

TypeFig Watznaueria bayackii.jpg

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: May represent disaggregated, isolated shields of Watznaueria barnesiae.

Search data:

Tags	LITHS: placolith, elliptical, CA: ca_conjunct, closed, CSPH: equant, monomorphic, CROSS-POLARS: rim-unicyclic, R-prominent,
Metrics	Lith size: 5->8µm; 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:

Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
Taxon plotted: Watznaueria bayackii, synonyms included - Watznaueria bayackii;
See also 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 1970. Edizioni Tecnoscienza, Rome 2: 1301-1321. gs

Watznaueria bayackii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-1-2021

Taxon Search:

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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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