Classification: pf_mesozoic -> Globotruncanidae -> Globotruncanita
Sister taxa: Abathomphalus, Contusotruncana, Dicarinella, Gansserina, Globotruncana, Globotruncanella, Globotruncanita, Loeblichella, Marginotruncana, Radotruncana,
Daughter taxa: (blue => in age window 0-800Ma)

Specimens which cannot be assigned to established species


Citation: Globotruncanita Reiss, 1957
Rank: Genus
Basionym: Rosalina stuarti
Type species: Rosalina stuarti de Lapparent, 1918

Entries in the Catalog of original descriptions: Globotruncanita

Distinguishing features: Test trochospiral, biconvex, chambers rhomboidal in section, sutures elevated, oblique or radial, straight or curved on the spiral side, depressed or elevated on the umbilical side, periphery with a beaded single keel that is continuous with the sutures on the spiral side, peripheral outline subcircular, polygonal, or lobate; wall calcareous, finely perforate, smooth except for the beaded sutures and peripheral keel and a concentric row of pustules near the umbilicus on the umbilical side; primary aperture interiomarginal, umbilical to slightly extraumbilical, successive apertures covered by portici that may remain free or may coalesce in the umbilicus to leave proximal accessory apertures.

Geological Range:
Last occurrence (top): within Maastrichtian Stage (66.04-72.05Ma, top in Maastrichtian stage). Data source: Total of range of species in this database
First occurrence (base): within Coniacian Stage (86.26-89.77Ma, base in Coniacian stage). Data source: Total of range of species in this 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


Loeblich, A. R. & Tappan, H. (1988). Foraminiferal Genera and Their Classification (Volume I-II). Van Nostrand Reinhold Co., New York. 1-1059. gs


Globotruncanita compiled by the pforams@mikrotax project team viewed: 22-11-2019

Taxon Search:
Advanced Search

Short stable page link: http://mikrotax.org/pforams/index.php?id=110189 Go to Archive.is to create a permanent copy of this page - citation notes

Comments (0)

No comments yet. Be the first!

Add Comment

* Required information
Captcha Image
Powered by Commentics