(Brachycephalus ferruginus)
Brachycephalus ferruginus is a species of frogs in the family Brachycephalidae. It is endemic to Brazil and only known from its type locality, Pico Marumbi, in the Serra do Mar in Morretes, Paraná state. Its altitudinal range is about 1,000–1,200 m (3,300–3,900 ft) above sea level.