Nannotax3 - ntax_mesozoic - Paulpearsonia

Paulpearsonia


Classification: ntax_mesozoic -> Holococcoliths -> Rarer genera -> Paulpearsonia
Sister taxa: Bifidalithus, Bilapillus, Multipartis, Munarinus, Octolithus, Okkolithus, Ottavianus, Pharus, Ramsaya, Russellia, Saepiovirgata ⟩⟨ Acuturris, Anfractus, Duocameratus, Lacunolithus-Bown, Metadoga, Nicholasia, Paulpearsonia, Petrobrasiella, Pseudoconus, Semihololithus, Stereorhabdus, Tanzanella, Thecatus, unidentified holococcoliths

Distinguishing features:
Parent taxon (Rarer genera): Less common genera
This taxon: Cavate holococcoliths with thin rims and small spines; whole holococcolith behaves as a single crystal in xpl,


Daughter taxa (time control age-window is: 0-800Ma)
Paulpearsonia ecclesiata
as per genus
Paulpearsonia sp.
Specimens not identified to species level

Taxonomy:

Citation: Paulpearsonia Lees, 2007
Rank: Genus
Type species: Pearsonia ecclesiata Lees, 2007
Taxonomic discussion: Originally described as Pearsonia Lees 2007 but this was a homonym of Pearsonia Dummer 1912 so the name was substituted by Paulpearsonia by Lees 2010

Farinacci & Howe catalog pages: Paulpearsonia * , Pearsonia *

Distinguishing features:
Parent taxon (Rarer genera): Less common genera
This taxon: Cavate holococcoliths with thin rims and small spines; whole holococcolith behaves as a single crystal in xpl,


Morphology:

"Cavate holococcoliths with thin rims and small spines, which act as a single crystal in XPL." [Lees 2007]

Size:

Search data:
LITHS: holococcolith, elliptical, hollow, CA: process, CROSS-POLARS: 1ou,
Lith size: 2->4µm;
Data source notes: size range of included species
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 Turonian Stage (100% up, 89.8Ma, in Turonian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Turonian Stage (0% up, 93.9Ma, in Cenomanian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

Lees, J. A. (2007). New and rarely reported calcareous nannofossils from the Late Cretaceous of coastal Tanzania: outcrop samples and Tanzania Drilling Project Sites 5, 9 and 15. Journal of Nannoplankton Research. 29(1): 39-65. gs O

Lees, J. A. (2010). Taxonomic note- Pearsonia ecclesiata Lees, 2007. Journal of Nannoplankton Research. 31(2): 122-122. gs V O


nannotaxlogo400px

Paulpearsonia compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 4-10-2022

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10864 Go to Archive.is to create a permanent copy of this page - citation notes



Comments (0)

No comments yet on this page. Please do add comments if you spot any problems, or have information to share

Add Comment

* Required information
1000
Captcha Image
Powered by Commentics