Papposphaera heldalii


Classification: ntax_cenozoic -> Coccolith families inc sed -> Papposphaeraceae -> Papposphaera -> Papposphaera heldalii
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 heldalii Thomsen & Egge 2016
Rank: Species

Distinguishing features: BC central areas open; CFC central areas with axial cross
Process 2-4 µm high with delicate calyx of 4 radially diverging blades.

Farinacci & Howe catalog pages: P. heldalii [no catalog entry yet]

Search data:
TagsLITHS: murolith, elliptical, CA: cross-axial, ca_disjunct, vacant, process,
CSPH: equant, CFC,
MetricsLith size: 0.5->1.3µm; Coccosphere size: 9->11µm;
Data source notes: csph & lith size (BC diameter) from OD
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 (Thomsen & Egge 2015)
First occurrence (base): within no known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source: [JRY 2016]

Plot of occurrence data:

References:

Thomsen, H. A. & Egge, J. K. (2016). Papposphaera heldalii sp. nov. (Haptophyta, Papposphaeraceae) from Svalbard. Acta Protozoologica. 55: 27-32. gs V O

Thomsen, H. A., Ostergaard, J. B. & Heldal, M. (2016e). Coccolithophores in Polar Waters: Papposphaera sagittifera HET and HOL revisited. Acta Protozoologica. 55: 33-50. gs V O


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Papposphaera heldalii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 1-3-2021

Taxon Search:
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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1007 Go to Archive.is to create a permanent copy of this page - citation notes



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