Wigwamma


Classification: Coccolithophores -> Coccolith families inc sed -> Papposphaeraceae -> Wigwamma
Sister taxa: Balaniger, Formonsella, Kataspinifera, Pappomonas, Papposphaera, Picarola, Pocillithus, Pseudowigwamma, Quaternariella, Ventimolina, Vexillarius, Wigwamma,

Daughter taxa: (blue => in age window 0-800Ma)
BCs simple rings, CFCs with wigwam of 2-4 rods, each with a flange.
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.
Monomorphic, all liths with wigwam of 4 rods.
Dimorphic. BCs simple rings, CFCs with wigwam of 4 similar rods, without flanges, rods project as tuft of spines beyond tip of wigwam
Dimorphic. BCs have low wigwam of three struts;
CFCs high wigwam of two struts each with wing.
Specimens which cannot be assigned to established species

Taxonomy:

Citation: Wigwamma Manton et al., 1977
Rank: Genus
Type species: Wigwamma arctica Manton et al. 1977
Notes & discussion: Wigwamma was excluded from the Papposphaeraceae by Andruleit & Young (2010) and is only very tentatively included here.

Distinguishing features: Coccoliths hoop-shaped with rods rising from rim to form wigwam-like structure

Farinacci & Howe catalog pages: Wigwamma * , ,

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: 0.7->2.2┬Ám;
Sources:
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: Total of range of species in this database
First occurrence (base): at top of No known fossil record modern (100% up, 0Ma, in stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

Manton, I., Sutherland, J. & Oates, K. (1977). Arctic coccolithophorids: Wigwamma arctica gen. et sp. nov. from Greenland and Arctic Canada; W. annulifera sp. nov. from South Africa and S. Alaska and Calciarcus alaskensis gen. et sp. nov. from S. Alaska. Proceedings of the Royal Society of London. 197(1127): 145-168. gs


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Wigwamma compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 22-7-2019

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1494 Go to Archive.is to create a permanent copy of this page - citation notes



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