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: Coccoliths hoop-shaped with rods rising from rim to form wigwam-like structure
Farinacci & Howe catalog pages: Wigwamma *
Search data:Tags | LITHS: murolith, elliptical, CA: ca_disjunct, process, diagonal cross, CSPH: equant, elongated, CFC, |
Metrics | Lith size: 0.7->2.2µm; |
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:
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:
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Wigwamma compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 1-3-2021
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 |