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Dosinia discus

Geological Range

Late Pliocene to Late Pleistocene; Recent.

Paleogeographic Distribution

Southern Florida to North Carolina.

Remarks

For information on the modern distribution of the species, see Malacolog.

Original Description (from Reeve, 1851, p. 84):

"THE QUOIT ARTEMIS. Shell rather thin, transversely ovate, posteriorly somewhat square, broader than high, very compressed, concentrically very finely engraved with striae, intermediate ridges rather obsolete and decreasing in number at the sides, area of the ligament simple, lunule rotundately heart-shaped; whitish, sometimes, but obscurely, stained with light rust bands, and covered with a thin horny epidermis.

Hab. United States.

This fine species is chiefly distinguished by its compressed growth and fine sculpture."

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Stratigraphic Occurrences

Late Pleistocene
Anastasia Formation (S. FL)
Coffee Mill Hammock Formation (S. FL)
Flanner Beach Formation (NC)
Fort Thompson Formation (S. FL)
Middle Pleistocene
Bermont Formation (S. FL)
Canepatch Formation (SC)
Early Pleistocene
Caloosahatchee Formation (S. FL)
Nashua Formation (N. FL)
Waccamaw Formation (NC)
Late Pliocene
Tamiami Formation (Pinecrest Beds) (S. FL)
<i>Dosinia discus</i> from the Late Pleistocene Anastasia Fm. of Volusia County, Florida (UF 145446).
Dosinia discus from the Late Pleistocene Anastasia Fm. of Volusia County, Florida (UF 145446).
Specimen of <i>Dosinia discus</i> figured by Reeve (1851, pl. 2, fig. 9); no scale.
Specimen of Dosinia discus figured by Reeve (1851, pl. 2, fig. 9); no scale.
Late Pleistocene Map
Late Pleistocene Map
Middle Pleistocene Map
Middle Pleistocene Map
Early Pleistocene Map
Early Pleistocene Map
Late Pliocene Map
Late Pliocene Map