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 mountains of California. 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 1,220–3,660 m (4,000–12,010 ft) above sea level. No significant threats to this species are known.