Reverse Coiled Busycon perversum (Linnaeus, 1758) Lightning Whelk

Reverse coiled specimen on the left (71 mm.) and normally coiled specimen on the right (83 mm.)

Reverse Coiled Busycon perversum (Linnaeus, 1758) Lightning Whelk

Buried in sand bar, minus tide, Little Talbot Island, Duval Co., Florida 3/6/2005
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