Quadrula apiculata, Specimen #1018, specimen, May 20, 1977; (https://digital.library.unt.edu/ark:/67531/metadc34642/m1/1/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .
Quadrula apiculata, Specimen #1018, specimen, May 20, 1977; (https://digital.library.unt.edu/ark:/67531/metadc34642/m1/1/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .