Coccolithus pauxillus


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

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.

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

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

Search data:
TagsLITHS: 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,
MetricsLith 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:

  • (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. & Newsam, C. (2017). Calcareous nannofossils from the Eocene North Atlantic Ocean (IODP Expedition 342 Sites U1403–1411). Journal of Nannoplankton Research. 37(1): 25-60. gs

    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

    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. gs

    Shamrock, J. L. & Watkins, D. K. (2012). Eocene calcareous nannofossil biostratigraphy and community structure from Exmouth Plateau, Eastern Indian Ocean (ODP Site 762). Stratigraphy. 9(1): 1-11. gs


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    Coccolithus pauxillus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 10-12-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=331 Go to Archive.is to create a permanent copy of this page - citation notes



    Comments (1)

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    Ryan Weber (New Orleans, US)
    It appears that the original description is Bown (2005), and the species name is from Bown (2010). Would this be correct?
    Page 1 of 1
     

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