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Species / Macrostrombus Briani


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

  • " Shell of average size for genus, subcylindrical, with extremely high, narrow, protracted, and scalariform spire; shoulder rounded, only slightly angled; lip only slightly flaring; body whorl ornamented with 12 large, wide, low spiral cords around anterior 2/3 of whorl, and 8-9 small, thin low spiral cords around subsutural area (from shoulder to suture); spire ornamented with 12 low, rounded knobs per whorl and 8 thin, small spiral cords; aperture flaring."

Locus typicus: eastern side of I-75, opposite the APAC Pit in the Fruitville area of Quality Aggregates, Sarasota, Sarasota County, Florida, USA.

Stratum typicum: Buckingham Member of the Tamiami Formation of southern Florida (latest Zanclean and earliest Piacenzian Pliocene).

Holotype: Length, 146 mm, width 91 mm.

Etymology: Named for Brian N. Petuch, son of the senior author.


  • 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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