McClure-Baker, Sherri A., Anthony A. Echelle, Ronald A. van den Bussche, Alice F. Echelle, Dean A. Hendrickson, and Gary P. Garrett. “Genetic Status of Headwater Catfish in Texas and New Mexico: A Perspective from mtDNA and Morphology.” Transactions of the American Fisheries Society 139 (6): 1780–1791.