Scientific Classification
| Kingdom: Animalia |
| Phylum: Mollusca |
| Class: Bivalvia |
| Order: Cardiida |
| Family: Cardiidae |
| Genus: Planicardium |
| Species: Planicardium acutilaqueatum (Conrad, 1839) |
Information
Geological Range
Paleogeographic Distribution
Stratigraphic Occurrences
| Chowan River Formation [Questionable/rare] |
| Duplin / Raysor Formations [Questionable/rare] |
| Jackson Bluff Formation [Questionable/rare] |
| Raysor Formation [Common] |
| Yorktown Formation [Common] |
Remarks
Common name: n/a
Synonymy: n/a
Type specimen, locality, and stratum: n/a
Other voucher specimens: n/a
Descriptions:
Original Description (from Conrad, 1839, p. 51):
“Shell oblique, ovate, ventricose, rounded at base and posterior extremity; ribs about 36, subtriangular, narrow, prominent; posterior margin very long, oblique and subrectilinear; umbo narrow, summit very prominent; margin profoundly crenate. Length 4 inches; height 4.5 inches. Locality, Yorktown, Va.”
To access this description in its original formatting through Google Books, click here.
Measurements: n/a
Other remarks: n/a
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 19, 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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