Popenaias popeii
Lang, B.K. 1999. Status of the Texas hornshell and native freshwater mussels (Unionoidea) in the Rio Grande and Pecos River of New Mexico and Texas. Performance Report to the U.S. Fish and Wildlife Service, Section 6 E-38-2. 78 p.
Lang, B. 2012. Spreadsheet of transect locations from field surveys of Popenaias popeii. Delivered to NHNM for inclusion in Biotics and CHAT.
Lang, B. K. 2001. Status of the Texas hornshell and native freshwater mussels (Unionoidae) in the Rio Grande and Pecos River of New Mexico and Texas. Conservation Services Division, New Mexico Department of Game and Fish.Completion Report. .
Lang, B.K. 1998. Status of the Texas hornshell and native freshwater mussels (Unionoidea) in the Rio Grande and Pecos River of New Mexico and Texas. Performance Report to the U.S. Fish and Wildlife Service, Section 6 E-38-1. 35 p.
Arritt, S. 1998. Imperiled Invertebrates. New Mexico Partners: Conserving endangered species. 3(1):8-16.
Metcalf, A.L. 1982. Fossil Unionacean bivalves from three tributaries of the Rio Grande. pp. 43-59 in Davis, N.R. (ed.) Proceedings of the Symposium in recent benthological investigations in Texas and adjacent states. Aq Sci Sect TX Academy of Science, A
Carman, S.M. 2007. Texas hornsheel (Popenaias popeii) recovery plan. New Mexico Department of Game and Fish, Conservation Services Division, Santa Fe, New Mexico. 61 p.