Nannotax3 - ntax_main - Braarudosphaera bigelowii - Cenozoic Nannotax3 - ntax_main - Braarudosphaera bigelowii - Cenozoic

Braarudosphaera bigelowii - Cenozoic


Classification: ntax_main -> Braarudosphaerales -> Braarudosphaeraceae -> Braarudosphaera -> Braarudosphaera bigelowii -> Braarudosphaera bigelowii - Cenozoic
Sister taxa: B. bigelowii S-cells, B. bigelowii - Cenozoic, B. bigelowii - Cretaceous


Taxonomy:
Citation: Braarudosphaera bigelowii - Cenozoic
Taxonomic rank: set of specimens
Taxonomic discussion: We have not attempted to apply the species concepts from Hagino et al. 2026 to the fossil record. So, all Cenozic fossil specimens of Braarudosphaera with simple pentagonal outline and flat surface are included here, irrespective of size.

Synonyms:

Distinguishing features:
Parent taxon (Braarudosphaera bigelowii): Pentaliths large (8-10.5 µm across)
Motile cells 10-20 µm long
18S genotype III

This taxon: Cenozoic specimens of Braarudosphaera bigelowii (sensu lato)

Search data:
Lith size: 0->0µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Holocene Epoch (0.00-0.01Ma, top in "Holocene" stage). Data source:
First occurrence (base): within Danian Stage (61.61-66.04Ma, base in Danian stage). Data source:

Plot of occurrence data:

References:

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 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 O

Hagino, K., et al. (2026). Taxonomic re-evaluation of the Braarudosphaera bigelowii species complex (Prymnesiophyceae). Phycologia. 1-18. gs

Mai, H., von Salis, K., Willems, H. & Romein, A. J. T. (1997). Fossil coccospheres from the K/T boundary section from Geulhemmerberg, The Netherlands. Micropaleontology. 43: 281-303. gs


nannotaxlogo400px

Braarudosphaera bigelowii - Cenozoic compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 13-9-2026

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=20639 Go to Archive.is to create a permanent copy of this page - citation notes



Add Comment

* Required information
Captcha Image

Comments

No comments yet. Be the first!