Scientific Classification
| Kingdom: Animalia |
| Phylum: Mollusca |
| Class: Bivalvia |
| Order: Ostreida |
| Family: Pinnidae |
| Genus: Atrina |
| Species: Atrina rigida ([Lightfoot], 1786) |
Information
Geological Range
Paleogeographic Distribution
Stratigraphic Occurrences
| Anastasia Formation [Questionable/rare] |
| Bermont Formation [Questionable/rare] |
Remarks
Common name: Rigid pen shell; American stiff pen shell.
Synonymy: n/a
Type specimen, locality, and stratum: n/a
Other voucher specimens: n/a
Descriptions: n/a
Measurements: n/a
Other remarks:
For information on the modern distribution of the species, see Malacolog and WoRMS.
References: n/a
Online resources: n/a
Page history:
Some of the content on this page was originally published on the Neogene Atlas of Ancient Life on September 1, 2015. It was developed by Jonathan R. Hendricks and colleagues and migrated here in 2026.
This page was last modified on October 28, 2026 by Jonathan R. Hendricks.
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