Distinguishing features: Watznaueria with a wide, vacant central area; c. area width >= rim width.
Taxonomy:
Farinacci & Howe catalog pages: W. ovata * , E. tubulata *
Distinguishing features: Watznaueria with a wide, vacant central area; c. area width >= rim width.
Search data:Tags | LITHS: placolith, elliptical, CA: ca_conjunct, CSPH: equant, monomorphic, CROSS-POLARS: rim-unicyclic, R-prominent, |
Metrics | Lith size: 5->7µm; Data source notes: illustrated specimens |
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:
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 OReferences:
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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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