Phrontis vibex

Geological Range

Late Pliocene to Late Pleistocene; Recent.

Paleogeographic Distribution

Venezuela to North Carolina.

Remarks

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

Original Description (from Say, 1822, p. 231):

"Shell cancellate, ventricose, cinereous or pale reddish-brown, with two or three irregular, sometimes obsolete darker fascia; body whirl with twelve thick, prominent costa, and about as many revolving filiform lines, which are not much elevated, and but simply crenate the costa and lip; labrum incrassated, with about two more prominent teeth within; labium callous; spire short, rapidly attenuated to an acute tip.

Length three-fifths of an inch.

Inhabits the southern and middle coast.

Cabinet of the Academy and Philadelphia Museum.

Rather rare. I found but four specimens. For the locality of the coast of the middle states, I am indebted to my brother, Mr. B. Say, who brought me a specimen from the shores of New Jersey."

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Synonymous with Nassarius vibex (Say,1822) and Nassa vibex Say, 1822 (original combination).

Stratigraphic Occurrences

Late Pleistocene

Anastasia Formation (N. FL)

Anastasia Formation? (N. FL)

Coffee Mill Hammock Formation (S. FL)

Fort Thompson Formation (S. FL)

Fort Thompson Formation? (S. FL)

Neuse Formation (NC)

Pamlico Formation (S. FL, N. FL)

Satilla Formation (N. FL)

Middle Pleistocene

Bermont Formation (S. FL)

Bermont Formation? (S. FL)

Canepatch Formation (SC)

Early Pleistocene

Caloosahatchee Formation (S. FL)

Nashua Formation (N. FL)

Waccamaw Formation (SC, NC)

Late Pliocene

Duplin Formation (NC)

Guaiguaza Clay (Venezuela)

Raysor Formation (GA)

Tamiami Formation (Pinecrest Beds) (S. FL)