Scotch Bonnet
Semicassis granulata (Born, 1778)
Family Cassidae
Scotch Bonnets are not hard to find on S. Hutchinson Island beaches. Usually you will find one even if it takes you one or two shelling trips.
A large Scotch Bonnet (slightly enlarged) from S. Hutchinson Island- January 2021
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Shell size to 90 mm; shell ovate, with five whorls. Shell sculpture of fine spiral grooves. Anterior canal bent dorsally. Parietal area with numerous, small tubercles. Outer lip thickened, with internal denticles. Color white to light tan, with rectagular brown spots