Classification: ntax_cenozoic -> Coccolith families inc sed -> Coccolith genera inc sed -> Pedinocyclus -> Geminilithella okayi
Sister taxa: P. gibbsiae, P. larvalis, G. okayi, P. sp.
Citation: Geminilithella okayi Varol 1989Rank: SpeciesTaxonomic discussion: This species is similar to the two described Pedinocyclus species so should probably be recombined in Pedinocyclus
Farinacci & Howe catalog pages: G. okayi *
The morphological data given here can be used on the advanced search page. See also these notes
|Tags||LITHS: planolith, circular, CA: vacant, CROSS-POLARS: rim-unicyclic, V-prominent, R-prominent, |
|Metrics||Lith size: 8->11µm; |
Data source notes: lith length from OD and slightly extended
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:
- Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
- Triangles indicate an event for which a precise placement has been suggested
- (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Pedinocyclus
Varol, O. (1989b). Eocene calcareous nannofossils from Sile (northwest Turkey). Revista Española de Micropaleontología. 21: 273-320. gs V O