Nannotax3 - ntax_cenozoic - Rhomboaster sp. Nannotax3 - ntax_cenozoic - Rhomboaster sp.

Rhomboaster sp.


Classification: ntax_cenozoic -> Nannolith families inc sed -> Rhomboasteraceae -> Rhomboaster -> Rhomboaster sp.
Sister taxa: R. bramlettei, R. calcitrapa, R. cuspis, R. sp.

Taxonomy:

Citation: Rhomboaster sp.
taxonomic rank: generic level id

Distinguishing features:
Parent taxon (Rhomboaster): Solid nannoliths that include rhombic, rhombic with spinose extensions and forms composed of two superimposed tri-radiate cycles.
This taxon: Specimens which cannot be assigned to any established species

Farinacci & Howe catalog pages:

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 NP10 zone (54.17-55.86Ma, top in Ypresian stage). Data source: same as genus
First occurrence (base): within NP9 zone (55.86-57.21Ma, base in Thanetian stage). Data source: same as genus

Plot of occurrence data:

References:

Self-Trail, J. M., Powars, D. S., Watkins, D. K. & Wandless, G. A. (2012). Calcareous nannofossil assemblage changes across the Paleocene–Eocene Thermal Maximum: Evidence from a shelf setting. Marine Micropaleontology. 92–93: 61-80. gs


nannotaxlogo400px

Rhomboaster sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 6-10-2024

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1206 Go to Archive.is to create a permanent copy of this page - citation notes
nannotaxlogo400px

Nannotax is being sponsored through 2024 by Woodside Energy and Shell USA


Add Comment

* Required information
Captcha Image
Powered by Commentics

Comments

No comments yet. Be the first!