Pentaster


Classification: ntax_cenozoic -> Braarudosphaerales -> Braarudosphaeraceae -> Pentaster
Sister taxa: Braarudosphaera, Hexadelus, Micrantholithus, Pemma, Pentaster

Daughter taxa (time control age-window is: 0-800Ma)
Pentaster lisbonensis
5 rayed nannolith with complex struture

Taxonomy:

Citation: Pentaster Bybell & Gartner 1972
Rank: Genus
Type species: Pentaster lisbonensis Bybell & Gartner (1972)

Farinacci & Howe catalog pages: Pentaster *

Search data:
TagsLITHS: nannolith-radiate, pentagonal, star-shaped, CA: pores, CROSS-POLARS: T-prominent,
MetricsLith size: 12->15┬Ám; Segments: 5->5;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): at top of Bartonian Stage (100% up, 37.8Ma, in Bartonian stage). Data source: Total of range of species in this database
First occurrence (base): in lower part of Lutetian Stage (23% up, 46.3Ma, in Lutetian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

Bybell, L. M. & Gartner, S. (1972). Provincialism among mid-Eocene calcareous nannofossils. Micropaleontology. 18(319-336): -. gs


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Pentaster compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 27-2-2021

Taxon Search:
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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1043 Go to Archive.is to create a permanent copy of this page - citation notes



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