Reverse Coiled Busycon perversum (Linnaeus, 1758) Lightning Whelk

    Reverse coiled specimen on the left (71 mm.) - buried in sand bar, minus tide, Little Talbot Island, Duval County, Florida 3/6/2005 and reverse coiled specimen on the right (61 mm.) - buried in the sand, Mayport Naval Station Beach, Duval County, Florida 5/5/2012 (61 mm.). Also see:  Reverse Coiled Busycon perversum and A Jax Double-double