Taxonomy
Original description: "Test trochospiral, deeply umbilicate, biconvex with 5-7 chambers in last whorl. Chambers highle vaulted both spirally and umbilically; separated by curved, raised , often highly beaded sutures. Spiral chambers sometimes possessing a few imperforate discontinuous costellae which are deep-seated structurally, comprised of ultragranular hyaline calcite, and traverse entire outer wall. Well-developed double keel following periphery of test and tending to become narrower as coiling progresses, often forming a single keel on larger microspheric individuals. Primary aperture interiomarginal, umbilical in position. Umbilicus covered by a spiral system of tegilla showing infralaminal and intralaminal accessory apertures. Outer wall radial hyaline perforate except for double keels which are primarily radial hyaline imperforate, but possess secondary ultragranular components of double keel lacking in last one or two chambers of final whorl. Septal walls and tegilla microgranular hyaline, finely perforate."
Entries in the Catalog of original descriptions: Globotruncana linnei bulloides, Globotruncana aspera, Globotruncana campbelli, Globotruncana culverensis, Globotruncana linneiformis, Globotruncana naqibi, Globotruncana bulloides naussi, Marginotruncana paraventricosa, Marginotruncana pauperata, Globotruncana postrugosa, Globotruncana pozaryskae, Rosalinella globigerinoides sublaevigata, Marginotruncana arcaformis, Globotruncana marginata austinensis
Character matrix
test outline: | Lobate | chamber arrangement: | Trochospiral | edge view: | Equally biconvex | aperture: | Umbilical |
sp chamber shape: | Petaloid | coiling axis: | Low | periphery: | Double keel | aperture border: | Tegilla |
umb chbr shape: | - | umbilicus: | Wide | periph margin shape: | Subangular | accessory apertures: | Intralaminal |
spiral sutures: | Moderately depressed | umb depth: | Deep | wall texture: | Finely pustulose | shell porosity: | - |
umbilical or test sutures: | Raised beaded | final-whorl chambers: | 6-7 | N.B. These characters are used for advanced search. N/A - not applicable |
Geological Range:
Last occurrence (top): within A. mayaroensis zone (67.64-69.27Ma, top in Maastrichtian stage). Data source: [copied from Chronos database]
First occurrence (base): within D. asymetrica zone (83.65-85.60Ma, base in Santonian stage). Data source: [copied from Chronos database]
Plot of range and occurrence data:
Almogi-Labin, A., Reiss, Z & Caron, M. (1986). Senonian globotruncanidae from Israel. Eclogae Geologicae Helvetiae. 79(3): 849-895. gs O Pessagno, E. A. (1967). Upper Cretaceous planktonic foraminifera from the western Gulf Coastal Plain. Palaeontographica Americana. 5: 245-445. gs O 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(3-4): 145-305. gs Vogler, J. (1941). Ober-Jura und Kreide von Misol. In, Boehm, G. & Wanner, J. (eds) Beitrage zur Geologie von Niederlandisch-Indian. 243-293. gsReferences:
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Globotruncana bulloides compiled by the pforams@mikrotax project team viewed: 14-2-2025
Short stable page link: https://mikrotax.org/pforams/index.php?id=110156 Go to Archive.is to create a permanent copy of this page - citation notes |
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Comments (2)
Other "synonym": Rosalinella globigerinoides Marie, 1941 was renamed into Globotruncana mariai/mariei Gandolfi, 1955
see: http://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=904450
thanks - I have added some notes. Jeremy