| Brachidontes exustus (Linnaeus, 1758) Scorched Mussel | |
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| On boulder, Ft. Clinch State Park, Nassau County, Florida (16 mm.) | |
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| Mayport Naval Station Beach, Duval County, Florida (each specimen about 15 mm.) | |
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| Big Talbot Island, Duval County, Florida (each specimen about 15 mm.). Digital Image by Joel Wooster. | |
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