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Species / Macrostrombus Dubari

Macrostrombus Dubari

Stromboidea


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

  • "Shell of average size for genus, elongately fusiform, subcylindrical, with high pyramidal spire; shoulder extremely sloping, only lightly angled at periphery; body whorl sculptured with 18-20 wide, flattened spiral cords and 3-5 very low, small longitudinal costae; subsutural area above shoulder relatively smooth, ornamented with numerous very fine spiral cords and threads; spire whorls ornamented with 8-10 thin, low spiral cords; early spire whorls (first 5) ornamented with 10 large rounded knobs per whorl; aperture proportionally narrow; outer edge of lip straight, parallel to shell axis; stromboid notch almost nonexistenet."

Locus typicus: Upper shell bed at Bergeron Star Pit Mine, 10 miles south of South Bay, Palm Beach County, Florida, on US Highway 27, USA.

Stratum typicum: lower beds of the Ayers Landing Member of the Caloosahatchee Formation of southern Florida, latest Calabrian Pleistocene.

Holotype: Length 194 mm, width 96 mm.

Etymology: Named for Dr. Jules DuBar, pioneer Florida geologist who refined the stratigraphy of the Caloosahatchee Formation and named the Ayers Landing Member.

References:

  • 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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