Atelopus_senex
Atelopus senex
Extinct species of amphibian
Atelopus senex (common name: pass stubfoot toad) is an extinct species of toad in the family Bufonidae. It was endemic to Costa Rica and known from the Cordillera Central and Cordillera de Talamanca at elevations of 1,100–2,200 m (3,600–7,200 ft) asl.[1][2][3][4]