Approximately 801sq mi / 513,121 acres.
Colbert, Franklin, Lawrence, Marion and Winston Counties AL ; Tishomingo, Itawamba Counties MS.
Bandfin Darter, Blueface Darter, Brindled Madtom, Gilt Darter, Slenderhead Darter, Suckermouth Minnow
Slabside Pearlymussel, Kidneyshell. Rabbitsfoot, Creeper, Black Sandshell, Cumberland Moccasinshell, Round Hickorynut, Cumberlandian Combshell, Pink Mucket, Alabama LampmusselMucket (H)
, Snuffbox (H)
, Finerayed Pigtoe (H)
, Tennessee Clubshell (H)
, Tennessee Pigtoe (H)
Round-rib Elimia, Warty Rocksnail
= Historic (species historically occurred in the SHU or SRRU but, it has either not been collected in a number of years, and may be considered extirpated, or the species could be present but there aren’t recent records to document its presence).
Oyster Mussel (Unoccupied CH), Cumberlandian Combshell