Nannotax3 - ntax_cenozoic - Pontosphaera wallacei

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:

Tags	LITHS: murolith, elliptical, CA: closed, CROSS-POLARS: rim-unicyclic, V-prominent, R-prominent,
Metrics	Lith 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:

Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
(NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Pontosphaera

References:

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

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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