Anodonta

Apalachicola Floater Anodonta heardi. Poorly known. Apparently endemic to Apalachicola Basin. In Alabama, known from a single recent record from Uchee Creek, Russell County. Also records from other portions of the Apalachicola Basin in Georgia and Florida. Found predominantly in sluggish water. Moderate Conservation Concern.

Flat Floater Anodonta suborbiculata. Fairly common. Widespread in Tennessee River system, with localized populations in Mobile Basin impoundments. May be a recent invader of Mobile Basin. An odd form similar to A. suborbiculata found in Gulf Coast areas may represent an undescribed species. Usually found in soft sediments in sluggish water. Low Conservation Concern.


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