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Clavihedbergella simplex


Classification: pf_mesozoic -> Hedbergellidae -> Clavihedbergella -> Clavihedbergella simplex
Sister taxa: C. amabilis, C. eocretacea, C. leckiei, C. moremani, C. moulladei, C. pauliani, C. simplex, C. simplicissima, C. subcretacea, C. subdigitata, C. sp.,

Taxonomy

Citation: Clavihedbergella simplex (Morrow, 1934)
Rank: Species
Basionym: Hastigerinella simplex

Type images:

Original description: Test moderately trochoid; chambers in the early portion globular, the penultimate chamber becoming slightly elongate and the final chamber strongly elongate and evenly rounded at the end; chambers about 4 in the final whorl; sutures distinct, moderately depressed; wall finely spinose; aperture indistinct.

Entries in the Catalog of original descriptions: Hastigerinella simplex

Geological Range:
Last occurrence (top): within D. concavata zone (86.71-89.91Ma, top in Coniacian stage). Data source: [copied from Chronos database]
First occurrence (base): within H. planispira zone (111.84-113.26Ma, base in Aptian stage). Data source: [copied from Chronos database]

Plot of occurrence data:

Dec 2017 - Plotting of Neptune data has been re-enabled on the Mesozoic pages following revision of the age-models in Neptune. The data is, however, still very sparse for the Early Cretaceous

  • 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: Clavihedbergella simplex, synonyms included - Clavihedbergella simplex; Hedbergella simplex; space-time plot :: Samples map :: Parent: Clavihedbergella

    Character matrix

    test outline:Lobatechamber arrangement:Trochospiraledge view:Hourglassaperture:Umbilical-extraumbilical
    sp chamber shape:Elongatecoiling axis:Very lowperiphery:N/Aaperture border:Thin lip
    umb chbr shape:Elongateumbilicus:Narrowperiph margin shape:Moderately roundedaccessory apertures:Relict
    spiral sutures:Strongly depressedumb depth:Shallowwall texture:Finely pustuloseshell porosity:
    umbilical or test sutures:Strongly depressedfinal-whorl chambers:4.0-4.5 N.B. These characters are used for advanced search. N/A - not applicable

    References:

    Morrow, A. L. (1934). Foraminifera and ostracoda from the Upper Cretaceous of Kansas. Journal of Paleontology. 8: 186-205. gs


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    Clavihedbergella simplex compiled by the pforams@mikrotax project team viewed: 25-8-2019

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    Short stable page link: http://mikrotax.org/pforams/index.php?id=110047 Go to Archive.is to create a permanent copy of this page - citation notes



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