Late Pliocene to Late Pleistocene; Recent.
Southern Florida to South Carolina.
For information on the modern distribution of the species, see Malacolog.
Original Description (from Récluz, 1842, p. 270):
"Testa ovato sub-trigona, depresso-plana, valvula sinistra planissima, dextra vix convexa, albido-vitrea, pellucida, concentrico plicata: plicis inferioribus striaeformibus, postice attenuata, angulata, margine superiore oblique recta, acute crenata, antice rotundata, superne tenne arcuatim emarginata ac cristata; apicibus antice recurvis, acutis; long. 23, larg. 30, convexité 5 mill. — Ilab.: — Trouvée sur le banc de Campêche par M. Cosmao , commandant la station navale du Mexique."
To access this description in its original formatting through the Biodiversity Heritage Library, click here.