Scientific Classification
| Kingdom: Animalia |
| Phylum: Mollusca |
| Class: Bivalvia |
| Order: Carditida |
| Family: Carditidae |
| Genus: Pteromeris |
| Species: Pteromeris perplana (Conrad, 1841) |
Information
Geological Range
Paleogeographic Distribution
Stratigraphic Occurrences
| Bermont Formation [Uncommon] |
| Caloosahatchee Formation [Common] |
| Nashua Formation [Uncommon] |
| Waccamaw Formation [Common] |
| Duplin Formation [Common] |
| Jackson Bluff Formation [Questionable/rare] |
| Tamiami Formation (Pinecrest Beds) [Common] |
Remarks
Common name: Flat cardita.
Synonymy: n/a
Type specimen, locality, and stratum: n/a
Other voucher specimens: n/a
Descriptions:
Original Description (from Conrad, 1841, p. 357):
“Trigonal, nearly flat; ribs about eleven, angular, minutely granulated.”
To access this description in its original formatting through the Biodiversity Heritage Library, click here.
Measurements: n/a
Other remarks:
For information on the modern distribution of the species, see Malacolog.
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 June 26, 2014. 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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