Nannotax3 - ntax_cenozoic - Calciarcus alaskensis morphotype 1 Nannotax3 - ntax_cenozoic - Calciarcus alaskensis morphotype 1

Calciarcus alaskensis morphotype 1


Classification: ntax_cenozoic -> Holococcoliths -> tubeless -> tubeless-minute -> Calciarcus -> Calciarcus alaskensis -> Calciarcus alaskensis morphotype 1
Sister taxa: C. alaskensis morphotype 1, C. alaskensis morphotype 2, C. alaskensis morphotype 3

Taxonomy:

Citation: Calciarcus alaskensis morphotype 1 of Thomsen & Ostergaard 2014
taxonomic rank: type

Distinguishing features:
Parent taxon (Calciarcus alaskensis): Scales ca. 0.5 µm across, with 3 or 4 calcified struts forming a wigwam-like structure
This taxon: 3–4 flexible struts, rising 0.2-0.4µm above base plate & ending in blunt spine

Farinacci & Howe catalog pages:

Search data:
Lith size: 0->0µm;
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:
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source:

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

Thomsen, H. A. & Ostergaard, J. B. (2014). Coccolithophorids in polar waters: Calciarcus spp. revisited. Acta Protozoologica. 53(145-157): -. gs

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. S1: 1-132. gs


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Calciarcus alaskensis morphotype 1 compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 15-12-2024

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1796 Go to Archive.is to create a permanent copy of this page - citation notes
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