Taxonomy
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Entries in the Catalog of original descriptions:
Distinguishing features:
Parent taxon (Trinitella): 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.
This taxon: Specimens which cannot be assigned to established species
Geological Range:
Last occurrence (top): within (-Ma, top in "Holocene" stage).
First occurrence (base): within (-Ma, base in "Holocene" stage).
Plot of range and occurrence data:
References:
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Trinitella sp. compiled by the pforams@mikrotax project team viewed: 18-1-2026
Short stable page link: https://mikrotax.org/pforams/index.php?id=110565 Go to Archive.is to create a permanent copy of this page - citation notes |
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