Distinguishing features: Watznaueria with wide central-area spanned by a slightly oblique, narrow transverse bar that broadens at both ends.
Taxonomy:
Farinacci & Howe catalog pages: W. reinhardti *
Distinguishing features: Watznaueria with wide central-area spanned by a slightly oblique, narrow transverse bar that broadens at both ends.
Search data:Tags | LITHS: placolith, elliptical, CA: ca_disjunct, bar, CSPH: equant, monomorphic, CROSS-POLARS: rim-unicyclic, R-prominent, |
Metrics | Lith size: 4->6µm; Data source notes: holotype +/- 1 µm |
Geological Range:
Last occurrence (top): within Late Jurassic Epoch (145.01-163.47Ma, top in Tithonian stage). Data source: [PRB rough estimate]
First occurrence (base): within Late Jurassic Epoch (145.01-163.47Ma, base in Oxfordian stage). Data source: [PRB rough estimate]
Plot of occurrence data:
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 Medd, A. W. (1979). The Upper Jurassic coccoliths from the Haddenham and Gamlingay boreholes (Cambridgeshire, England). Eclogae Geologicae Helvetiae. 72: 19-109. gs V O Noël, D. (1973). Nannofossiles calcaires de sédiments jurassiques finement laminés. Bulletin du Muséum National d'Histoire Naturelle. 75: 95-156. gs Rood, A. P., Hay, W. W. & Barnard, T. (1971). Electron Microscope Studies of Oxford Clay Coccoliths. Eclogae Geologicae Helvetiae. 64: 245-272. 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 reinhardtii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-1-2021
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