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Sigatica semisulcata

Geological Range

Late Pliocene to Middle Pleistocene; Recent.

Paleogeographic Distribution

Southern Florida.

Remarks

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

Original Description (from Gray, 1839, p. 136):

"Shell ovate, suborbicular, solid, pellucid, white, smooth; spire short, convex, rather blunt; whorls convex, with six or seven narrow regular compressed lines near the suture, and few round the umbilicus; suture compressed; umbilicus simple, rather large and deep. Mouth very oblique. Axis 6; diam. 6 lines."

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Stratigraphic Occurrences

Middle Pleistocene
Bermont Formation (S. FL)
Early Pleistocene
Caloosahatchee Formation (S. FL)
Late Pliocene
Tamiami Formation (Pinecrest Beds) (S. FL)
<i>Sigatica semisulcata</i> from either the Early Pleistocene Caloosahatchee Fm. or the Middle Pleistocene Bermont Fm. of Palm Beach County, Florida (UF 228679).
Sigatica semisulcata from either the Early Pleistocene Caloosahatchee Fm. or the Middle Pleistocene Bermont Fm. of Palm Beach County, Florida (UF 228679).
Middle Pleistocene Map
Middle Pleistocene Map
Early Pleistocene Map
Early Pleistocene Map
Late Pliocene Map
Late Pliocene Map