Nannotax3 - Mesozoic - Watznaueria ovata

Watznaueria ovata

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

Short diagnosis: Watznaueria with a wide, vacant central area; c. area width >= rim width.

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TypeFig Watznaueria ovata.jpg
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Taxonomy:

Citation: Watznaueria ovata Bukry, 1969

Rank: Species

Synonyms:

Ellipsagelosphaera tubulata Grün and Zweili, 1980
Watznaueria tubulata (Grün and Zweili, 1980) de Kaenel & Bergen 1996

Notes & discussion: Many specimens included in W. ovata may be the proto-coccolith rings of W. barnesiae and/or W. fossacincta (see Young and Bown, 1991).

Farinacci & Howe catalog pages: Ellipsagelosphaera tubulata * Watznaueria ovata *

Short diagnosis: Watznaueria with a wide, vacant central area; c. area width >= rim width.

Geological Range:
Last occurrence (top): within Maastrichtian Stage (66.04-72.05Ma, top in Maastrichtian stage). Data source: Burnett 1998
First occurrence (base): within Callovian Stage (163.47-166.07Ma, base in Callovian stage). Data source: Grün & Zweili 1980

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. Interpret with caution & read these notes
Taxon plotted: Watznaueria ovata, synonyms included - Ellipsagelosphaera ovata; Watznaueria ovata; Parent: Watznaueria

References:

Bukry, D., (1969). Upper Cretaceous coccoliths from Texas and Europe. The University of Kansas Paleontological Contributions, Article 51 (Protista 2): 1-79.

Burnett, J.A., (1998). Upper Cretaceous. In: Bown, P.R. (Editor), Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publications Series. Chapman & Hall, London, pp. 132-199.

de Kaenel, E. & Bergen, J.A., (1996). Mesozoic calcareous nannofossil biostratigraphy from sites 897, 899, and 901, Iberia Abyssal Plain: New biostratigraphic evidence. Proceedings of the Ocean Drilling Program. Scientific Results, 149: 27-59.

Grün, W. & Zweili, F., (1980). Das kalkige Nannoplankton der Dogger-Malm-Grenze im Berner Jura bei Liesberg (Schweiz). Jahrbuch Geologischen Bundesanstalt, 123: 231-341.

Young, J.R. & Bown, P.R., (1991). An ontogenetic sequence of coccoliths from the Late Jurassic Kimmeridge Clay of England. Palaeontology, 34: 843-850.

Nannotax3 - Mesozoic - Watznaueria ovata by: Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 29-6-2017

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