Classification: pf_mesozoic -> Rugoglobigerinidae -> Trinitella
Sister taxa: Archaeoglobigerina, Bucherina, Kuglerina, Plummerita, Rugoglobigerina, Rugotruncana, Trinitella,
Daughter taxa: (blue => in age window 0-300Ma)

Specimens which cannot be assigned to established species


Citation: Trinitella Brönnimann 1952
Rank: Genus
Basionym: Trinitella scotti
Type species: Trinitella scotti Brönnimann, 1952

Type images:

Original description: Trinitella:

Entries in the Catalog of original descriptions: Trinitella;

Distinguishing features: Test in flat trochospiral, chambers enlarging rapidly as added, early ones globular, later chambers compressed to rhomboidal in section, imperforate carinal band or faint keel in the final whorl, sutures radial, depressed, peripheral margin rounded to truncate, peripheral outline lobulate; wall calcareous, perforate, surface covered with prominent pustules and costellae in meridional arrangement, less prominent on the final chamber; primary aperture interiomarginal, umbilical, bordered by an imperforate flap, those of successive chambers fusing into a tegillum having both proximal and distal 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 Campanian Stage (72.05-83.64Ma, base in Campanian 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, 1059 pp.


Trinitella compiled by the pforams@mikrotax project team viewed: 20-9-2018

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Short stable page link: http://mikrotax.org/pforams/index.php?id=110563Go to Archive.is to create a permanent copy of this page - citation notes

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