Coccolithus pelagicus subsp. braarudii


Ancestry: 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,

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


Taxonomy:

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

Farinacci & Howe catalog pages:

Short diagnosis: 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).

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:

References:

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


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Coccolithus pelagicus subsp. braarudii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-8-2017

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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?
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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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