Data provided by: Academy of Natural Sciences, Arizona State University, Baylor University, Mayborn Museum Complex, California Academy of Sciences, Canadian Museum of Nature Fish Collection, Cornell University Museum of Vertebrates, Dallas Museum of Nature and Science, Field Museum of Natural History, Illinois Natural History Survey, Natural History Museum and Biodiversity Research Center, Multistate Aquatic Resources Information System, Museum of Comparative Zoology, Museum of Southwestern Biology, North Carolina State Museum of Natural Sciences, University of Louisiana at Monroe, Oklahoma Museum of Natural History, Oklahoma State University, Sam Houston State University, Strecker Museum, Sul Ross State University, Texas Cooperative Wildlife Collections, Texas Natural History Collections, Tulane Museum of Natural History, University of Alabama Ichthyology Collection, Universidad Autonoma de Nuevo Leon, Florida Museum of Natural History, University of Michigan, National Museum of Natural History, University of Tennessee