The Mount Lyell salamander (Hydromantes platycephalus) is a species of salamander in the family Plethodontidae. It is endemic to the Sierra Nevada of California, United States. It is found in a range of microhabitats, such as rock exposures, talus and rock fissures, and under rocks or in caves or crevices. Its altitudinal range is above sea level. No significant threats to this species are known. References Further reading Clark, H.O., Jr., and S.I. Hagen. 2008. Notes on a Mount Lyell Salamander observed near Nevada Falls, Yosemite National Park, California. Sonoran Herpetologist 21:122-123. Clark, H.O., Jr., and S.I. Hagen. 2016. Notes on a Mount Lyell Salamander observed near Nevada Falls, Yosemite National Park, California—Revisited ten years later. Sonoran Herpetologist 29:64. Hydromantes Amphibians of the United States Endemic fauna of California Rolling animals Amphibians described in 1916 Taxonomy articles created by Polbot