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Wigwamma armatura


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

Taxonomy:

Citation: Wigwamma armatura Thomsen in Thomsen et al. 2013
Taxonomic rank: species

Distinguishing features:
Parent taxon (Wigwamma): Coccoliths hoop-shaped with rods rising from rim to form wigwam-like structure
This taxon: Dimorphic. BCs simple rings, CFCs with wigwam of 4 similar rods, without flanges, rods project as tuft of spines beyond tip of wigwam

Farinacci & Howe catalog pages: W. armatura + *


Morphology:

Dimorphic with: BCs simple hoops; CFCs with wigwams with 4 rods. Coccosphere larger than cell, with distinct gap between them.

Size:
Cells ca 5µm

Search data:
LITHS: murolith, elliptical, CA: ca_disjunct, vacant, process,
CSPH: elongated, equant, CFC,
Lith size: 1.8->2.2µm; Coccosphere size: 4->6µm;
Data source notes: cell & 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
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source: [JRY 2016]

Plot of occurrence data:

References:

Thomsen, H. A., Ostergaard, J. B. & Heldal, M. (2013). Coccolithophorids in polar waters: Wigwamma spp. revisited. Acta Protozoologica. 52: 237-256. gs O

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Wigwamma armatura compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 23-1-2025

Taxon Search:
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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1499 Go to Archive.is to create a permanent copy of this page - citation notes
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