Approximately 355 sq mi / 226,946 acres.
Barbour and Dale Counties AL.
Rayed Creekshell, Tapered Pigtoe, Southern Sandshell, Choctaw Bean, Fuzzy Pigtoe, Southern Kidneyshell, Alabama Moccasinshell (H)
, Florida Floater (H)
Peninsula Amnicola, Conical Snail.
(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).
Southern Kidneyshell, Choctaw Bean, Tapered Pigtoe, Southern Sandshell, Fuzzy Pigtoe.