Taxonomy:
Specimens from the Weddell Sea are triangular in profile since the rim crystallites where each wigwam rod is attached are not enlarged.
Distinguishing features: Monomorphic, all liths with wigwam of 4 rods.
Farinacci & Howe catalog pages: W. arctica *
Size: Cell 4-6 µm; liths, ca. 1.5-2 µm
Tags | LITHS: murolith, elliptical, CA: ca_disjunct, process, diagonal cross, CSPH: equant, elongated, monomorphic, |
Metrics | Lith size: 1.5->2µm; Data source notes: lith size (BC diameter) from OD |
Geological Range:
Last occurrence (top): Extant Data source: present in the plankton (Young et al. 2003)
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source: [JRY rough estimate]
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. gs Thomsen, H. A. (2016). Baltic Sea coccolithophores – an overview of insights into their taxonomy and ecology from the last 40 years. Journal of Nannoplankton Research. 36(2): 97-119. gs V O Thomsen, H. A., Ostergaard, J. B. & Heldal, M. (2013). Coccolithophorids in polar waters: Wigwamma spp. revisited. Acta Protozoologica. 52: 237-256. gs V O Young, J. R., Geisen, M., Cros, L., Kleijne, A., Probert, I. & Ostergaard, J. B. (2003). A guide to extant coccolithophore taxonomy. Journal of Nannoplankton Research, Special Issue. 1: 1-132. gs V OReferences:
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Wigwamma arctica compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 1-3-2021
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