Pontosphaera wallacei


Classification: ntax_cenozoic -> Zygodiscales -> Pontosphaeraceae -> Pontosphaera -> Pontosphaera wallacei
Sister taxa: P. multipora, P. discopora, P. distincta, P. enormis, P. desuetoidea, P. geminipora, P. longiforaminis, P. megapachydisca, P. veta ⟩⟨ P. syracusana, P. alta, P. panarium, P. versa, P. wallacei, P. latoculata, P. sp.A ⟩⟨ P. formosa, P. wechesensis, P. fimbriata, P. brinkhuisii, P. hollisii, P. romansii ⟩⟨ P. japonica, P. plana, P. rimosa ⟩⟨ P. pectinata, P. wilsonii, P. punctosa, P. clinosulcata> >>

Taxonomy:

Citation: Pontosphaera wallacei Persico in Persico & Villa (2013)
Rank: Species

Distinguishing features: Large Pontosphaera with flaring rim, central area filled by coarse radial crystals

Farinacci & Howe catalog pages: P. wallacei *

Search data:
TagsLITHS: murolith, elliptical, CA: closed, CROSS-POLARS: rim-unicyclic, V-prominent, R-prominent,
MetricsLith size: 8->12µm;
Data source notes: 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 NN2 zone (19.00-22.82Ma, top in Burdigalian stage). Data source: original description
First occurrence (base): within NP24 zone (26.84-29.62Ma, base in Rupelian stage). Data source: original description

Plot of occurrence data:

References:

Persico, D. & Villa, G. (2013). A new Oligocene-Miocene calcareous nannofossil species: Pontosphaera wallacei. Revue de Micropaléontologie. 56: 97-102. gs


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Pontosphaera wallacei compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 23-1-2021

Taxon Search:
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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1102 Go to Archive.is to create a permanent copy of this page - citation notes



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