Pontosphaera wallacei


Classification: Coccolithophores -> 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: Pontosphaera wallacei *

Search data:
TagsLITHS: murolith, elliptical, RIM: flange-distal, outer wall acw-imbricate, CA: Placoliths: closed-----, closed,
CSPH: not known, V-UNITS: outer-rim, V-prominent, R-UNITS: c-str, inner-rim, px-plate, R-prominent, DETAILS: isogyres oblique, isogyres separated, rim-unicyclic,
MetricsLith size: 8->12µm;
Sources: 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:

  • (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 Micropaleontologie. 56: 97-102. gs :: ::

    nannotaxlogo400px

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

    Taxon Search:
    		Advanced Search

    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
    Powered by Mikrotax taxonomy content management system developed by Jeremy Young


    Comments (0)

    No comments yet on this page. Please do add comments if you spot any problems, or have information to share

    Add Comment

    * Required information
    1000
    Captcha Image
    Powered by Commentics