Britton, Joseph; Britton, David; Britton, Michael & La Grove, M. Lampsilis teres, Specimen #406, specimen, August 27, 1979; (https://digital.library.unt.edu/ark:/67531/metadc34450/m1/2/: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .