Nannotax3 - Coccolithophores - Coccolithus pauxillus

Coccolithus pauxillus

Classification: Coccolithophores -> Coccolithales -> Coccolithaceae -> Coccolithus -> C. formosus group -> Coccolithus pauxillus
Sister taxa: C. crucis, C. foraminis, C. formosus, C. pauxillus, C. subcirculus,

Distinguishing features: Small (<5µm) circular Coccolithus coccoliths with narrow, open central area.

Bown 2010 pl2-fig7.JPG
BownNewsam 2017 pl04 29-30.JPG
BownNewsam 2017 pl13 21.JPG
Bown_2005_JNR_pl3-fig12.jpg
Bown_2005_JNR_pl3-fig13.jpg
Bown_2005_JNR_pl3-fig14.jpg
Bown_2005_JNR_pl3-fig15.jpg
KPC Coccolithus pauxillus.JPG
ShamrockWatkins2012-pl4-fig5.jpg

Taxonomy:

Citation: Coccolithus pauxillus Bown, 2010

Rank: Species

Synonyms: Coccolithus minimus Bown, 2005

Notes & discussion: Replacement name for Coccolithus minimus Bown, 2005, which is a homonym of Coccolithus minimus Kamptner 1963.

Farinacci & Howe catalog pages: Coccolithus minimus Bown * Coccolithus pauxillus *

Distinguishing features: Small (<5µm) circular Coccolithus coccoliths with narrow, open central area.

Search data:

Tags	LITHS: placolith, elliptical, RIM: inner-tube-broad, psh-bicyclic, CA: vacant, CSPH: spherical, monomorphic, V-UNITS: distal shield, px-tube, R-UNITS: ds-tube, prox shield, DETAILS: rim-bicyclic, isogyres oblique,
Metrics	Lith size: 3->5µm; Sources:

The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP15 zone (42.87-46.29Ma, top in Lutetian stage). Data source: Bown, 2005
First occurrence (base): within NP9 zone (55.86-57.21Ma, base in Thanetian stage). Data source: Bown, 2005

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: C. formosus group

References:

Bown, P.R., (2005). 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.

Bown, P.R., (2010). Calcareous nannofossils from the Paleocene/Eocene Thermal Maximum interval of southern Tanzania (TDP Site 14). Journal of Nannoplankton Research, 31: 11-38.