| Littoraria irrorata (Say, 1822) Marsh Periwinkle |
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On granite boulder of the south St. Johns River jetty, Mayport Naval Station beach, Jacksonville, Duval County, Florida 1/20/2011 (about 20 mm.) |
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| Littoraria irrorata (Say, 1822) Marsh Periwinkle |
|
|
|
On granite boulder of the south St. Johns River jetty, Mayport Naval Station beach, Jacksonville, Duval County, Florida 1/20/2011 (about 20 mm.) |
|
|