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: Crystallolithus braarudii [no catalog entry yet]

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).

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:

References:

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

nannotaxlogo400px

Coccolithus pelagicus subsp. braarudii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 19-10-2017

Taxon Search:
Advanced Search
AphiaID: 555898 Nomenclatural data on WoRMS
Go to Archive.is to create a permanent copy of this page - citation notes
Powered by Mikrotax taxonomy content management system developed by Jeremy Young


Comments (1)

Sort By
Page 1 of 1
 
Gravatar
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?
Gravatar
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.
Notify Me
Page 1 of 1
 
Share a link to this comment
Close

Add Comment

* Required information
1000
Captcha Image
Powered by Commentics