Pontosphaera pax


Classification: ntax_cenozoic -> Zygodiscales -> Pontosphaeraceae -> Pontosphaera -> Pontosphaera pax
Sister taxa: << < P. romansii ⟩⟨ P. japonica, P. plana, P. rimosa ⟩⟨ P. pectinata, P. wilsonii, P. punctosa, P. clinosulcata, P. perforomarginata, P. pulcheroides, P. pulchra, P. pygmaea ⟩⟨ P. ocellata, P. duocava, P. exilis, P. pax ⟩⟨ P. obliquipons, T. omarians ⟩⟨ P. sp.

Taxonomy:

Citation: Pontosphaera pax (Stradner & Seifert 1980) Aubry 1986
Rank: Species
Synonyms: Nothodiscus pax (Stradner & Seifert, 1980) Aubry & Stradner, in Stradner et al. 2010
Taxonomic discussion: Aubry & Stradner (in Stradner et al. 2010) created a new genus Nothodiscus for this species.

Distinguishing features: Similar to P. exilis but with prominent nodes at the ends of the bar

Farinacci & Howe catalog pages: P. pax [no catalog entry yet], T. pax *

Search data:
TagsLITHS: murolith, elliptical, CA: ca_conjunct, pores, bar, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
MetricsLith size: 9->13µm;
Data source notes: lith size from OD
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP21 zone (32.92-34.44Ma, top in Rupelian stage). Data source: Stradner & Seifert 1980
First occurrence (base): within NP21 zone (32.92-34.44Ma, base in Priabonian stage). Data source: Stradner & Seifert 1980

Plot of occurrence data:

References:

Stradner, H. & Seifert, P. (1980). Transversopontis pax n. sp., ein neues Nannofossil aus dem basale Oligozan des nordlichen Niederosterreich. Beitrage zur Paläontologie von Österreichs. 7: 281-291. gs V O

Stradner, H., Aubry, M. -P. & Bonnemaison, M. (2010). Calcareous nannofossil type specimens in the collection of the Geological Survey of Austria: A taxonomic and stratigraphic update. Jahrbuch der Geologischen Bundesanstalt. 150(1-2): 9-84. gs V O


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Pontosphaera pax compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-4-2021

Taxon Search:
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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1086 Go to Archive.is to create a permanent copy of this page - citation notes



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