Clavihedbergella moulladei

Taxonomy

Original description: Small, biconvex; test as with genus; formed by about three whorls; peripheral margin elliptical, lobate; five to six chambers in the last whorl, increasing gradually in size as added; first two chambers on spiral side ovoid, final chambers subrectangular; first chambers spherical to ovoid on umbilical side, final chambers crenulate; ovoid in peripheral view; sutures radially curved in the first two chambers, straight on final chambers; primary aperture a low arch, extraumbilical-spiroumbilical in position, bordered by an imperforate flap; umbilicus narrow; surface of the test smooth. Loeblichella moulladei is common in the material observed; more than 50 specimens were analyzed. L. moulladei displays little variation. The number of chambers in the last whorl varies from five to six. Relict apertures are often observed on the umbilical side; specimens with spiral relict apertures were not seen.

Entries in the Catalog of original descriptions: Loeblichella moulladei

Geological Range:
Last occurrence (top): within Aptian Stage (112.95-126.3Ma, top in Aptian stage). Data source: [copied from Chronos database]
First occurrence (base): within Aptian Stage (112.95-126.3Ma, base in Aptian stage). Data source: [copied from Chronos database]

Plot of range and occurrence data:

• Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
• Triangles indicate an event for which a precise placement has been suggested
• (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Clavihedbergella

Clavihedbergella moulladei compiled by the pforams@mikrotax project team viewed: 11-12-2023 Taxon Search: Advanced Search Short stable page link: https://mikrotax.org/pforams/index.php?id=110045 Go to Archive.is to create a permanent copy of this page - citation notes

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