Geminilithella okayi


Classification: ntax_cenozoic -> Coccolith families inc sed -> Coccolith genera inc sed -> Pedinocyclus -> Geminilithella okayi
Sister taxa: P. gibbsiae, P. larvalis, G. okayi, P. sp.

Taxonomy:

Citation: Geminilithella okayi Varol 1989
Rank: Species
Taxonomic discussion: This species is similar to the two described Pedinocyclus species so should probably be recombined in Pedinocyclus

Farinacci & Howe catalog pages: G. okayi *

Search data:
TagsLITHS: planolith, circular, CA: vacant, CROSS-POLARS: rim-unicyclic, V-prominent, R-prominent,
MetricsLith size: 8->11µm;
Data source notes: lith length from OD and slightly extended
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: original description
First occurrence (base): within NP12 zone (50.50-53.70Ma, base in Ypresian stage). Data source: original description

Plot of occurrence data:

References:

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

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Geminilithella okayi compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 25-2-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=603 Go to Archive.is to create a permanent copy of this page - citation notes
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