Mount Lyell salamander

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 1220 – above sea level. No significant threats to this species are known.