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Species / Macrostrombus Whicheri


Original description of Macrostrombus whicheri by Petuch & Drolshagen, 2011:

  • "Shell of average size for genus, broad, somewhat flattened, roughly rectangular in shape; spire narrow and protracted, concave on sides, rising to sharply-pointed tip; shoulder sharply angled, carinated, with 8-10 rounded knobs around periphery; subsutural area and spire whorls slightly concave, producing canaliculated appearance; body whorl smooth, ornamented with 8-10 very narrow, widely-spaced, almost obsolete, faint spiral cords; subsutural area and spire whorls with 6-8 thin, threadlike spiral cords; suture of spire whorls ornamented with 10-12 small, rounded knobs per whorl; aperture flaring; lip rounded along edge; stromboid notch only slightly produced."

Locus typicus: Lower beds in Palm Beach Aggregates, Loxahatchee, Palm Beach County, Florida., USA.

Stratum typicum: Lower beds of the Holey Land Member of the Bermont Formation of southern Florida, early Aftonian Pleistocene.

Holotype: Length 148 mm, width 105 mm.

Etymology: Named for Dr. John Whicher of Somerset, England, who collected the holotype at Palm Beach Aggregates.


  • Petuch E.J. & Drolshagen M. (2011) - Compendium of Florida Fossil Shells Vol. 1. (Middle Miocene to Late Pleistocene Marine Gastropods of the Everglades and Adjacent Areas: Families Strombidae, Cypraeidae, Ovulidae, Eocypraeidae, Triviidae, Conidae, and Conilithidae)

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