Jakubowskia leoniae


Classification: ntax_cenozoic -> Mesozoic Survivors -> Chiastozygaceae -> Jakubowskia -> Jakubowskia leoniae
Sister taxa: J. leoniae, J. sp.

Taxonomy:

Citation: Jakubowskia leoniae Varol, 1989
Rank: Species

Distinguishing features: Elliptical murolith with narrow rim and wide vacant central area.

Farinacci & Howe catalog pages: J. leoniae *

Search data:
TagsLITHS: murolith, elliptical, CA: vacant, CROSS-POLARS: rim-unicyclic, R-prominent,
MetricsLith size: 6->13µm;
Data source notes: lith size from illustrated specs
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP12 zone (50.50-53.70Ma, top in Ypresian stage). Data source: Varol, 1989
First occurrence (base): within NP5 zone (59.54-61.51Ma, base in Selandian stage). Data source: [PRB rough estimate]

Plot of occurrence data:

References:

Bown, P. R. & Newsam, C. (2017). Calcareous nannofossils from the Eocene North Atlantic Ocean (IODP Expedition 342 Sites U1403–1411). Journal of Nannoplankton Research. 37(1): 25-60. gs V O

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 O

Bown, P. R. (2016). Paleocene calcareous nannofossils from Tanzania (TDP sites 19, 27 and 38). Journal of Nannoplankton Research. 36(1): 1-32. gs V O

Shepherd, C. L. & Kulhanek, D. K. (2016). Eocene nannofossil biostratigraphy of the mid-Waipara River section, Canterbury Basin, New Zealand. Journal of Nannoplankton Research. 26(1): 33-59. gs V O

Varol, O. (1989b). Eocene calcareous nannofossils from Sile (northwest Turkey). Revista Española de Micropaleontología. 21: 273-320. gs V O


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Jakubowskia leoniae compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-4-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=774 Go to Archive.is to create a permanent copy of this page - citation notes



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