Quadrula apiculata, Specimen #978, specimen, December 22, 1976; (https://digital.library.unt.edu/ark:/67531/metadc34596/m1/1/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .
Quadrula apiculata, Specimen #978, specimen, December 22, 1976; (https://digital.library.unt.edu/ark:/67531/metadc34596/m1/1/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .