| Busycon perversum (Linnaeus, 1758) Dextral Specimens | |
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| Left - From flats near Coon Key Light (about 1 mile northwest of Pompano Hump), Gullivan Bay, Goodland, FL (180 mm.) | |
| Right - From flats near Turtle Key (about 2.5 miles northeast of Pompano Hump), Gullivan Bay, near Goodland, FL (166 mm.) | |
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Specimens and images by Mark Williams Johnson |
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