SRRU Length: ~ 46 Miles
Location: Limestone, Madison, Marshall and Morgan Counties AL.
Crayfish: Phantom Cave Crayfish, White Spring Cave Crayfish.
Spectaclecase, Longsolid, Pink Mucket, Black Sandshell, Sheepnose, Ohio Pigtoe, Rough Pigtoe, Pyramid Pigtoe, Round Pigtoe, Monkeyface, Appalachian Monkeyface, Slabside Pearlymussel (H)
, Kidneyshell, Rabbitsfoot (H)
, Mucket (H)
, Fanshell (H)
, Spike (H)
, Cumberlandian Combshell (H)
, Snuffbox (H)
, Round Hickorynut (H)
, White Wartyback (H)
, Tennessee Clubshell (H)
Round-rib Elimia, Rugged Hornsnail.
(H) = 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).