Papposphaera thomsenii


Classification: Coccolithophores -> Coccolith families inc sed -> Papposphaeraceae -> Papposphaera -> Papposphaera thomsenii
Sister taxa: P. lepida, P. obpyramidalis, P. simplicissima, P. sagittifera, P. sarion, P. arctica, P. iugifera, P. heldalii, P. bourrellii, P. thomsenii, P. sp. type 1, P. sp. type 2, P. sp. type 3, P. sp. type 4, P. sp. type 5, P. sp. type 6, P. sp.,

Taxonomy:

Citation: Papposphaera thomsenii Norris, 1983
Rank: Species

Distinguishing features: Central areas with axial cross;
Process 5-6 µm high, tall stem supports narrow cone of four elements.

Farinacci & Howe catalog pages: Papposphaera thomsenii *


Size: Coccoliths 1.5-2 µm long;

Search data:
TagsLITHS: murolith, elliptical, RIM: outer wall non-imbricate, rim-narrow, rim-top crenulate, CA: cross, cross-axial, PROCESS: calyx, spine, tall,
CSPH: oblate (broad), ovoid, spherical, CFC, CFC+process, polymorphic, DETAILS: ca_disjunct,
MetricsLith size: 1.5->2µm;
Sources:
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: present in the plankton (Young et al. 2003)
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in stage). Data source: [JRY 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: Papposphaera

    References:

    Norris, R. E. (1983). The family position of Papposphaera Tangen and Pappomonas Manton & Oates (Prymnesiophyceae) with records from the Indian Ocean. Phycologia. 22(2): 161-169. 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, Special Issue. 1: 1-132. gs

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    Papposphaera thomsenii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 25-8-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1028 Go to Archive.is to create a permanent copy of this page - citation notes
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