Jakubowskia


Classification: Coccolithophores -> Mesozoic Survivors -> Chiastozygaceae -> Jakubowskia
Sister taxa: Jakubowskia, Neocrepidolithus, Staurolithites, Zeugrhabdotus,

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


Daughter taxa: (blue => in age window 0-800Ma)
Elliptical murolith with narrow rim and wide vacant central area.
Specimens which cannot be assigned to any established species

Taxonomy:

Citation: Jakubowskia Varol, 1989
Rank: Genus
Type species: Jakubowskia leoniae Varol, 1989

Farinacci & Howe catalog pages: Jakubowskia *

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

Search data:
TagsLITHS: murolith, elliptical, RIM: outer wall cw-imbricate, CA: vacant,
CSPH: not known, V-UNITS: outer-rim, R-UNITS: all, inner-rim,
MetricsLith size: 6->13µm;
Sources:
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): in upper part of Ypresian Stage (67% up, 50.5Ma, in Ypresian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Selandian Stage (4% up, 61.5Ma, in Selandian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

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


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Jakubowskia compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 25-5-2019

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=773 Go to Archive.is to create a permanent copy of this page - citation notes



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