Daughter taxa (time control age-window is: 0-800Ma) | ||||
Gublerina cuvillieri | ||||
Gublerina rajagopalani | ||||
Gublerina sp. Specimens which cannot be assigned to established species |
Taxonomy
Original description: Se différencie totalement de tous les autres genres d'Heterohelicidae par son espace intercalaire déprimé et non pourvu de loges.
Entries in the Catalog of original descriptions: Gublerina
Distinguishing features:
Parent taxon (Heterohelicidae): Aperture symmetrical, ranging from a low slit to a high arch at the base of the final chamber, becoming terminal in uniserial taxa.
This taxon: Test flabelliform, the 2 rows of chambers diverge leaving nonseptate central space that later is partially occupied by chamber proliferation.
Morphology:
Geological Range:
Last occurrence (top): at top of A. mayaroensis zone (100% up, 67.6Ma, in Maastrichtian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within G. ventricosa zone (76.18-79.20Ma, base in Campanian stage). Data source: Total of ranges of species in this database
Plot of range and occurrence data:
Gublerina compiled by the pforams@mikrotax project team viewed: 9-10-2024
Short stable page link: https://mikrotax.org/pforams/index.php?id=110214 Go to Archive.is to create a permanent copy of this page - citation notes |
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Comments (2)
Ref.: Kikoine, J. (1948). Les Heterohelicidae du Crétacé supérieur pyrénéen. Bulletin de la Société Géologique de France. ser. 5, 18(1-3): 15-35.
Thanks, that is being done now