| Isognomon alatus (Gmelin, 1791) Flat Tree-oyster |
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| Rarged Key, Bicayne Bay, Miami-Dade Co., Florida (42 mm.) |
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| Isognomon alatus (Gmelin, 1791) Flat Tree-oyster |
|
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|
|
| Rarged Key, Bicayne Bay, Miami-Dade Co., Florida (42 mm.) |
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