Pontosphaera pax

Classification: Coccolithophores -> 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.,


Citation: Pontosphaera pax (Stradner & Seifert 1980) Aubry 1986
Rank: Species
Synonyms: Nothodiscus pax (Stradner & Seifert, 1980) Aubry & Stradner, in Stradner et al. 2010
Notes & 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: Pontosphaera pax [no catalog entry yet], Transversopontis pax *

Search data:
TagsLITHS: murolith, elliptical, RIM: outer wall acw-imbricate, CA: bar-diagonal, bar-diagonal NW-SE, pores, bar,
CSPH: not known, V-UNITS: outer-rim, V-prominent, R-UNITS: c-str, inner-rim, px-plate, R-prominent, DETAILS: ca_conjunct, rim-bicyclic, isogyres oblique, isogyres separated,
MetricsLith size: 9->13µm;
Sources: 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:

  • Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
  • Note to users in China - the diagram may not plot unless you use a VPN since I use google services on the website. If this is a problem please contact me 谢谢.
  • Taxon plotted: Pontosphaera pax, synonyms included - Pontosphaera pax; Transversopontis pax;
  • space-time plot :: Samples map :: Parent: Pontosphaera


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

    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 :: ::


    Pontosphaera pax compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 5-6-2020

    Taxon Search:
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    Short stable page link: http://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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