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Globotruncana ventricosa


Classification: pf_mesozoic -> Globotruncanidae -> Globotruncana -> Globotruncana ventricosa
Sister taxa: G. aegyptiaca, G. arca, G. bulloides, G. dupeublei, G. esnehensis, G. falsostuarti, G. hilli, G. lapparenti, G. linneiana, G. mariei, G. neotricarinata, G. orientalis, G. rosetta, G. rugosa, G. ventricosa, G. sp.,

Taxonomy

Citation: Globotruncana ventricosa (White, 1928)
Rank: Species
Basionym: Globotruncana canaliculata ventricosa
Synonyms: Globotruncana lobata

Type images:

Original description: "This form is similar to the preceding G. canaliculata (Reuss) description except that the ventral side is convex instead of flat. Diameter of type specimen, 0.6 mm; thickness, 0.25 mm."

Entries in the Catalog of original descriptions: Globotruncana canaliculata ventricosa, Globotruncana lobata

Geological Range:
Last occurrence (top): within A. mayaroensis zone (67.30-69.18Ma, top in Maastrichtian stage). Data source: [copied from Chronos database]
First occurrence (base): within G. ventricosa zone (76.18-79.20Ma, base in Campanian 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: Globotruncana ventricosa, synonyms included - Globotruncana entricosa; Globotruncana lobata; Globotruncana ventricosa; Globotruncana ventricosa primitiva; Globotruncana wilsoni;
  • space-time plot :: Samples map :: Parent: Globotruncana

    Character matrix

    test outline:Lobatechamber arrangement:Trochospiraledge view:Planoconvexaperture:Umbilical
    sp chamber shape:Petaloidcoiling axis:Lowperiphery:Double keelaperture border:Tegilla
    umb chbr shape:Inflatedumbilicus:Wideperiph margin shape:Subangularaccessory apertures:Intralaminal
    spiral sutures:Raised beadedumb depth:Deepwall texture:Finely pustuloseshell porosity:
    umbilical or test sutures:Moderately depressedfinal-whorl chambers:5.0-9.0 N.B. These characters are used for advanced search. N/A - not applicable

    References:

    Almogi-Labin, A., Reiss, Z & Caron, M. (1986). Senonian globotruncanidae from Israel. Eclogae Geologicae Helvetiae. 79(3): 849-895. gs

    Postuma, J. A. (1971). Manual of planktonic foraminifera. Elsevier for Shell Group, The Hague. 1-406. gs

    Robaszynski, F., Caron, M., Gonzales Donoso, J. M., Wonders, A. A. H. & the European Working Group on Planktonic Foraminifera (1984). Atlas of Late Cretaceous globotruncanids. Revue de Micropaléontologie. 26(03-Apr): 145-305. gs

    White, M. P. (1928). Some Index Foraminifera of the Tampico Embayment Area of Mexico. Journal of Paleontology. 2(3): 177-215. gs


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    Globotruncana ventricosa compiled by the pforams@mikrotax project team viewed: 17-10-2019

    Taxon Search:
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    Short stable page link: http://mikrotax.org/pforams/index.php?id=110176 Go to Archive.is to create a permanent copy of this page - citation notes



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