Wigwamma antarctica


Classification: Coccolithophores -> Coccolith families inc sed -> Papposphaeraceae -> Wigwamma -> Wigwamma antarctica
Sister taxa: W. annulifera, W. antarctica, W. arctica, W. armatura, W. triradiata, W. sp.,

Taxonomy:

Citation: Wigwamma antarctica Thomsen in Thomsen et al., 1988
Rank: Species

Distinguishing features: Dimorphic. BCs simple rings,
CFCs with wigwam of 2-4 rods, without flanges, one rod projects as a spine beyond tip of wigwam, poles of two types two broad (wing-like) and two narrow.

Farinacci & Howe catalog pages: Wigwamma antarctica * , ,


Morphology remarks: One or two coccoliths with wigwams of somewhat reduced size may occur at the posterior cell end.

Size: Cell ca. 5 µm in diameter.

Search data:
TagsLITHS: murolith, elliptical, RIM: rim-low, rim-narrow, CA: cross, cross-diagonal-symmetric, cross-vaulted,
CSPH: ovoid, spherical, CFC, CFC+wigwam, polymorphic, DETAILS: ca_disjunct,
MetricsLith size: 1->1.5µm;
Sources: lith size (BC diameter) from OD
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): Extant Data source: present in the plankton (Young et al. 2003)
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in stage). Data source: [JRY rough estimate]

Plot of occurrence data:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Wigwamma

    References:

    Thomsen, H. A., Buck, K. R., Coale, S. L., Garrison, D. L. & Gowing, M. M. (1988). Nanoplanktonic coccolithophorids (Prymnesiophyceae, Haptophyceae) from the Weddell Sea, Antarctica. Nordic Journal of Botany. 8: 419-436. gs


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    Wigwamma antarctica compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 16-7-2019

    Taxon Search:
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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1497 Go to Archive.is to create a permanent copy of this page - citation notes



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