Julian D. Olden, N. LeRoy Poff, and Kevin R. Bestgen. 2008. Trait synergisms and the rarity, extirpation, and extinction risk of desert fishes. Ecology 89:847–856.

Appendix A. Qualitative phylogeny of the native freshwater fishes of the Lower Colorado River Basin examined in our study.

LITERATURE CITED

Fagan, W. F., P. J. Unmack, C. Burgess, and W. L. Minckley. 2002. Rarity, fragmentation, and extinction risk in desert fishes. Ecology 83:3250–3256.

Smith, G. R. 1992. Phylogeny and biogeography of the Catostomidae. Pages 778-826 in R. L. Mayden, editor. Systematics, Historical Ecology, and North American Freshwater Fishes. Stanford University Press, Stanford, California, USA.

Smith, G. R., T. E. Dowling, K. W. Gobalet, T. Lugaski, D. K. Shiozawa, and R. P. Evans. 2002. Biogeography and timing of evolutionary events among Great Basin fishes. Pages 175–234 in R. Hershler, D. B. Madsen, and D. R. Currey, editors. Great Basin Aquatic Systems History. Smithsonian Contributions to the Earth Sciences, Number 33.