pforams@mikrotax - Falsotruncana sp. pforams@mikrotax - Falsotruncana sp.

Falsotruncana sp.

Classification: pf_mesozoic -> Hedbergellidae -> Falsotruncana -> Falsotruncana sp.
Sister taxa: F. douglasi, F. loeblichae, F. maslakovae, F. sp.


taxonomic rank: generic level id

Entries in the Catalog of original descriptions:

Distinguishing features:
Parent taxon (Falsotruncana): Test in low trochospiral coil, compressed, chambers petaloid, sutures radial, slightly curved, depressed on the spiral side, radial and depressed around the shallow umbilicus on the umbilical side, peripheral margin truncate to narrowly rounded, with imperforate carinal band bordered in the earlier chambers of the final whorl by two low pustulose keels, peripheral outline lobulate; wall calcareous, perforate, rare perforations may occur in the generally imperforate carinal band, surface of earlier chambers pustulose, especially on the spiral side; primary aperture interiomarginal, umbilical-extraumbilical, nearly equatorial, bordered with a thin lip but lacking portici or umbilical extensions.
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:



Falsotruncana sp. compiled by the pforams@mikrotax project team viewed: 4-12-2023

Taxon Search:
Advanced Search

Short stable page link: Go to to create a permanent copy of this page - citation notes

Add Comment

* Required information
Captcha Image
Powered by Commentics


No comments yet. Be the first!