Taxonomy:
Distinguishing features: Small to medium sized cavate holococcolith seen in side view comprising a thin proximal plate, thick walls and a thin-walled, hollow distal process/spine that tapers initially then becomes parallel sided.
Farinacci & Howe catalog pages: S. kanungoi *
Search data:Tags | LITHS: holococcolith, elliptical, hollow, CA: process, CROSS-POLARS: R-prominent, |
Metrics | Lith size: 3.5->6µm; Data source notes: lith size (height) from OD |
Geological Range:
Last occurrence (top): within NP10 zone (54.17-55.86Ma, top in Ypresian stage). Data source: Bown 2005
First occurrence (base): within NP9 zone (55.86-57.21Ma, base in Thanetian stage). Data source: Bown 2005
Plot of occurrence data:
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 Bown, P. R. (2010). Calcareous nannofossils from the Paleocene/Eocene Thermal Maximum interval of southern Tanzania (TDP Site 14). Journal of Nannoplankton Research. 31(1): 11-38. gs V OReferences:
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Semihololithus kanungoi compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 24-2-2021
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