Nannotax3 - ntax_cenozoic

Nannotax3 - ntax_cenozoic - Wigwamma

Wigwamma

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

Daughter taxa (time control age-window is: 0-800Ma)
				Wigwamma annulifera BCs simple rings, CFCs with wigwam of 2-4 rods, each with a flange.
				Wigwamma antarctica 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.
				Wigwamma arctica Monomorphic, all liths with wigwam of 4 rods.
				Wigwamma armatura Dimorphic. BCs simple rings, CFCs with wigwam of 4 similar rods, without flanges, rods project as tuft of spines beyond tip of wigwam
				Wigwamma triradiata Dimorphic. BCs have low wigwam of three struts; CFCs high wigwam of two struts each with wing.
				Wigwamma sp. 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

Taxonomic discussion: Wigwamma was excluded from the Papposphaeraceae by Andruleit & Young (2010) and is only very tentatively included here.

Distinguishing features:
Parent taxon (Papposphaeraceae): Narrow-rimmed muroliths, mostly with prominent central structures.
This taxon: Coccoliths hoop-shaped with rods rising from rim to form wigwam-like structure

Farinacci & Howe catalog pages: Wigwamma *

Morphology:

Size:

Search data:

LITHS: murolith, elliptical, CA: ca_disjunct, process, diagonal cross,
CSPH: equant, elongated, CFC,

Lith size: 0.7->2.2µm;

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 "Holocene" stage). Data source: Total of range of species in this database

Plot of occurrence data:

Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
Neptune data: This is a higher taxon page so Neptune data is not plotted. See also: customisable plot Parent: Papposphaeraceae

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

Wigwamma compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 27-9-2022

Taxon Search:

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Short stable page link: https://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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