| Geukensia demissa (Dillwyn, 1817) Ribbed-mussel In Situ |
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Exposed on marsh grass on river bank, west bank of the Ft. George River, Ft. George Island, Duval County, Florida 3/1/2013 (about 120 mm.) |
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| Geukensia demissa (Dillwyn, 1817) Ribbed-mussel In Situ |
|
|
|
Exposed on marsh grass on river bank, west bank of the Ft. George River, Ft. George Island, Duval County, Florida 3/1/2013 (about 120 mm.) |
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