Busycon sinistrum Hollister, 1958 Living Specimen
Busycon sinistrum (left) pictured with a similar sized Busycon carica (Gmelin, 1791) (right)
Buried in clean beach sand, Mayport Naval Station Beach, Jacksonville, Duval County, Florida 7/13/2011. The Busycon sinistrum measured about 110 mm.