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:
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 *
Biology & life-cycles
LITHS: murolith, elliptical, CA: ca_disjunct, diagonal cross, process, CSPH: elongated, equant, CFC, |
Lith size: 0.7->2.2µm; |
Geological Range:
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
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. gsReferences:
Wigwamma compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 14-1-2025
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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