This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.
| Pseudoclavihedbergella chevaliensis Falzoni et al. 2016 |
Current identification:
See also: Hedbergella amabilis - type species;
Original Description
Description.– Tests are low trochospiral, with chambers that gradually increase in size. Chambers of the juvenile stage globular; the last formed ones are radially elongate and petaloid in shape, with the long axis perpendicular to or at a high angle (> 75°) to the previous whorl. Sutures are distinct and depressed, often limbated due to the lack of chamber overlapping. Periphery broadly rounded, simple or, rarely, with a peripheral band of low pore density and smaller pore size on the earlier chambers of the final whorl. Aperture is a low to medium high arch, umbilicalperipheral in position and bordered by an imperforate lip; relict periapertural structures and apertures can be present in the umbilicus. Chamber surface ornamented with dome-like scattered pustules, denser on the earlier chambers. Test wall calcitic, hyaline and perforate; pores show gradual increase in size along the lineage.
Etymology:
Extra details from original publication
Species included.
Stratigraphical range.– Upper Albian-lower Turonian (from the P. appenninica Biozone to H. helvetica Biozone). Geographic distribution.– Cosmopolitan.
Georgescu, M. D. (2009d). Upper Albian-lower Turonian non-schackoinid planktic foraminifera with elongate chambers: morphology reevaluation, taxonomy and evolutionary classification. Revista Española de Micropaleontología. 41: 255-293. gs References:

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Pseudoclavihedbergella compiled by the pforams@mikrotax project team viewed: 10-6-2026
Short stable page link: https://mikrotax.org/pforams/index.php?id=132049 Go to Archive.is to create a permanent copy of this page - citation notes |
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