Coccolithus pelagicus subsp. braarudii

Classification: Coccolithophores -> Coccolithales -> Coccolithaceae -> Coccolithus -> C. pelagicus group -> Coccolithus pelagicus -> Coccolithus pelagicus subsp. braarudii
Sister taxa: C. pelagicus subsp. braarudii, C. pelagicus subsp. pelagicus, C. pelagicus with bar, C. pelagicus subsp. floralis,

Distinguishing features: Larger extant subspecies, liths over 10µm long; warmer water form, 10-20°C, typically in upwellings


Citation: Coccolithus pelagicus subsp. braarudii (Gaarder 1962) Geisen et al., 2002
Rank: sub-species
Basionym: Crystallolithus braarudii Gaarder 1962

Farinacci & Howe catalog pages: Crystallolithus braarudii [no catalog entry yet]

Distinguishing features: Larger extant subspecies, liths over 10µm long; warmer water form, 10-20°C, typically in upwellings

Biology & life-cycles: HOL - planar with incomplete cover of crystallites arranged in radial strings extending from a central ellipse (formerly called Crystallolithus braarudii Gaarder 1962).

Search data:
TagsLITHS: placolith, elliptical, RIM: inner-tube-broad, psh-bicyclic, CA: bar-transverse,
CSPH: spherical, monomorphic, V-UNITS: distal shield, px-tube, R-UNITS: c-str, ds-tube, prox shield, DETAILS: ca_disjunct, rim-bicyclic, isogyres oblique,
MetricsLith size: 9->15µm; Coccosphere size: 12->30µm; Liths per sphere: 6->25
Sources: csph & lith size from Gibbs et al. 2013
The morphological data given here can be used on the advanced search page. See also these notes

See also: Coccolithus pelagicus subsp. braarudii HOL ;

Geological Range:
Last occurrence (top): Extant Data source: present in the plankton (Young et al. 2003)
First occurrence (base): within Quaternary Period (0.00-2.59Ma, base in Gelasian stage). Data source: [JRY rough estimate]

Plot of occurrence data:


Gaarder, K.R., (1962). Electron Microscope Studies on Holococcolithophorids. Nytt Magasin for Botanikk, 10: 35-51.


Coccolithus pelagicus subsp. braarudii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 19-3-2018

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Comments (1)

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Giulliana Villa (Parma University, Italy)
C. pelagicus braarudi is reported as temperate taxon, we found it at hight northern latitude off the Svalbard Islands. Is it possible?
Jeremy Young (UCL, UK)
That is surprising - I would definitely expect it to be C. pelagicus ssp. pelagicus in the high Arctic, and that is what I observed there in the plankton in June 2012.
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