The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes. 2004. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada, draft (2004)
- Cope, E.D. 1875. In Yarrow, H.C., Report upon the collections of batrachians and reptiles made in portions of Nevada, Utah, California, Colorado, New Mexico, and Arizona, during the years 871, 1872, 1873, and 1874, Chapter IV, L, pp. 509-584, In: Report upon geographical. Government Printing office, Washington D.C.
- Holotype: Cope, E. D. 1875. Report upon Geographical and Geological Explorations and Surveys West of the Hundredth Meridian in Charge of First Lieutenant George M. Wheeler, Zoology. 571.
- Schmidt, K. P. 1953. A Check List of North American Amphibians and Reptiles, Sixth Edition. vii + 280
- Uetz P. (2013). TIGR Reptile Database (version Oct 2007). In: Species 2000 & ITIS Catalogue of Life, 11th March 2013 (Roskov Y., Kunze T., Paglinawan L., Orrell T., Nicolson D., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Hernandez F., De Wever A., eds). Digital resource at www.catalogueoflife.org/col/. Species 2000: Reading, UK.
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