IUCN Red List Assessment
Red List Category
Red List Criteria
Bogan, A.E. & Seddon, M.B. (from TNC, R.S. Butler)
Seddon, M.B. (Mollusc Red List Authority)
A total of 30 subpopulations were known in 1996. At the Alabama site rates of find were 25 per hour in 1988. There is under 200 km length of available river for this species.