Watznaueria ovata


Classification: ntax_mesozoic -> Watznaueriales -> Watznaueriaceae -> Watznaueria -> Watznaueria ovata
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 with a wide, vacant central area; c. area width >= rim width.


Taxonomy:

Citation: Watznaueria ovata Bukry, 1969
Rank: Species
Synonyms:
Taxonomic 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: W. ovata * , E. tubulata *

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

Search data:
TagsLITHS: placolith, elliptical, CA: ca_conjunct,
CSPH: equant, monomorphic, CROSS-POLARS: rim-unicyclic, R-prominent,
MetricsLith size: 5->7µm;
Data source notes: illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

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:

References:

Black, M. (1973). British Lower Cretaceous Coccoliths. I-Gault Clay (Part 2). Palaeontographical Society Monograph. 127: 49-112. gs

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

Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 132-199. gs V O

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. gs V O

Grün, W. & Allemann, F. (1975). The Lower Cretaceous of Caravaca (Spain): Berriasian Calcareous Nannoplankton of the Miravetes Section (Subbetic Zone, Prov. of Murcia). Eclogae Geologicae Helvetiae. 68: 147-211. gs V O

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

Rahman, A. & Roth, P. H. (1991). Upper Jurassic calcareous nannofossils from the DSDP Site 534 in the Blake Bahama Basin, western North Atlantic. Eclogae Geologicae Helvetiae. 84: 765-789. gs V O

Thibault, N. (2010). Calcareous nannofossils from the boreal Upper Campanian- Maastrichtian chalk of Denmark. Journal of Nannoplankton Research. 31(1): 39-56. gs V O

Wise, S. W. & Wind, F. H. (1977). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 36 drilling on the Falkland Plateau, south-west Atlantic sector of the Southern Ocean. Initial Reports of the Deep Sea Drilling Project. 36(269-491): -. gs V O

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


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

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=11309 Go to Archive.is to create a permanent copy of this page - citation notes



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Simun Ascic (Faculty of Science - Zagreb, Croatia)
Is it questionable a range of W. ovata, FO maybe in Middle/Late Jurassic? Thanks, Simun
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