1. Department of Biological Sciences, University of Alabama, Tuscaloosa, AL 35487 USA
2. Partnership for the Delaware Estuary, Wilmington, DE 19801 USA
3. Oklahoma Biological Survey and Department of Biology, University of Oklahoma, Norman, OK 73019 USA
4. Confederated Tribes of the Umatilla Indian Reservation, Fisheries Program, Freshwater Mussel Research and Restoration Project, Pendleton, OR 97801 USA
5. U.S. Geological Survey, Columbia Environmental Research Center, Columbia, MO 65201 USA
6. Department of Biology, Texas State University, San Marcos, TX 78666 USA