Calciosolenia alternans


Classification: Coccolithophores -> Syracosphaerales -> Calciosoleniaceae -> Calciosolenia -> Calciosolenia alternans
Sister taxa: C. alternans, C. aperta, C. brasiliensis, C. corsellii, C. murrayi, C. sp.,

Taxonomy:

Citation: Calciosolenia alternans Bown & Dunkley Jones, 2006
Rank: Species

Distinguishing features: Small Calciosolenia with a relatively broad central-area filled by a plate-like structure that displays a four-fold, alternating light-dark birefringence image.

Farinacci & Howe catalog pages: Calciosolenia alternans *

Search data:
TagsLITHS: murolith, quadrate, RIM: outer wall non-imbricate, rim-narrow, CA: grill,
CSPH: not known, V-UNITS: outer-rim, V-prominent, R-UNITS: inner-rim, R-prominent, DETAILS: ca_disjunct, rim-bicyclic,
MetricsLith size: 4->5µm;
Sources: lith size from OD & illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP17 zone (37.32-40.40Ma, top in Priabonian stage). Data source: [PRB rough estimate]
First occurrence (base): within NP14 zone (46.29-49.11Ma, base in Ypresian stage). Data source: [PRB rough estimate]

Plot of occurrence data:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Calciosolenia

    References:

    Bown, P. R. & Dunkley Jones, T. (2006). New Paleogene calcareous nannofossil taxa from coastal Tanzania: Tanzania Drilling Project Sites 11 to 14. Journal of Nannoplankton Research. 28(1): 17-34. gs

    Bown, P. R. & Newsam, C. (2017). Calcareous nannofossils from the Eocene North Atlantic Ocean (IODP Expedition 342 Sites U1403–1411). Journal of Nannoplankton Research. 37(1): 25-60. gs

    Shamrock, J. L. & Watkins, D. K. (2012). Eocene calcareous nannofossil biostratigraphy and community structure from Exmouth Plateau, Eastern Indian Ocean (ODP Site 762). Stratigraphy. 9(1): 1-11. gs


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    Calciosolenia alternans compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 10-4-2020

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=201 Go to Archive.is to create a permanent copy of this page - citation notes



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