Bown_2005_JNR_pl28-fig24.jpg
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Dunkley Jones et al 2009_pl10-fig5.jpg
Dunkley Jones et al 2009_pl10-fig5^.jpg
Bown_2005_JNR_pl28-fig24.jpg
Bown_2005_JNR_pl28-fig23.jpg
Dunkley Jones et al 2009_pl10-fig5.jpg
Dunkley Jones et al 2009_pl10-fig5^.jpgTaxonomy:
Distinguishing features: Small, narrowly-ellliptical non-birefringent holococcolith comprising a narrow rim spanned by diagonal cross-bars.
Farinacci & Howe catalog pages: Z. brytika *
Search data:| Tags | LITHS: holococcolith, elliptical, hollow, CA: diagonal cross, CROSS-POLARS: 1ou, V-prominent, |
| Metrics | Lith size: 3.5->4.5µm; Data source notes: lith size from illustrated specs |
Geological Range:
Last occurrence (top): within NP23 zone (29.62-32.02Ma, top in Rupelian stage). Data source: Dunkley Jones et al., 2009
First occurrence (base): within NP19-20 zone (34.44-36.97Ma, base in Priabonian stage). Data source: Dunkley Jones et al., 2009
Plot of occurrence data:
Aubry, M. -P. (1988a). Handbook of Cenozoic calcareous nannoplankton. Book 2: Ortholithae (Catinasters, Ceratholiths, Rhabdoliths). Micropaleontology Press, American Museum of Natural History, New York. 1-279. gs Bown, P. R. (2005d). Palaeogene calcareous nannofossils from the Kilwa and Lindi areas of coastal Tanzania (Tanzania Drilling Project 2003-4). Journal of Nannoplankton Research. 27(1): 21-95. gs V O Dunkley Jones, T., Bown, P. R. & Pearson, P. (2009). Exceptionally well preserved upper Eocene to lower Oligocene calcareous nannofossils (Prymnesiophycidae) from the Pande Formation (Kilwa Group), Tanzania. Journal of Systematic Palaeontology. 7(4): 359-411. gs Roth, P. H. (1970). Oligocene calcareous nannoplankton biostratigraphy. Eclogae Geologicae Helvetiae. 63: 799-881. gs V OReferences:
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Orthozygus brytika compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 28-2-2021
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=979 Go to Archive.is to create a permanent copy of this page - citation notes |