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Astarte concentrica Conrad, 1834

Astarte concentrica
Astarte concentrica

Scientific Classification

Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Carditida
Family: Astartidae
Genus: Astarte
Species: Astarte concentrica Conrad, 1834

Information

Geological Range

Quaternary

Pleistocene

Neogene

Pliocene

Miocene

Paleogeographic Distribution

Virginia

North Carolina

South Carolina

Georgia

Florida

Stratigraphic Occurrences

Waccamaw Formation [Common]
Waccamaw Formation (Upper)
Raysor Formation [Common]
Tamiami Formation (Pinecrest Beds) [Common]
Yorktown Formation [Common]
Yorktown Formation (Moore House Member)
Pungo River Formation

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, 1834):

“Shell subtriangular, compressed, with numerous concentric rounded costae, crowded on the basal margin; umbones slightly flattened; apex acute, central; lunule large, concave, lanceolate; posterior margin concave; submargin acutely angular, straight; extremity obtusely rounded; cardinal teeth strongly striated; margin crenulated. Length, one inch and one-eighth; height, seven-eighths of an inch.

Locality. Yorktown, Va.”

To access this description in its original formatting through the Biodiversity Heritage Library, 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 October 27, 2016. 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.

Media

Images

Astarte concentrica from the Early Pleistocene James City Fm. of Beaufort County, North Carolina (PRI 69878).
Astarte concentrica from the Early Pleistocene James City Fm. of Beaufort County, North Carolina (PRI 69878).
Download Full Size
Astarte concentrica from the Early Pleistocene James City Fm. of Beaufort County, North Carolina (PRI 69878).
Astarte concentrica from the Early Pleistocene James City Fm. of Beaufort County, North Carolina (PRI 69878).
Download Full Size

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