Mexican Plateau horned lizard Mexican Plateau horned lizard The Mexican Plateau horned lizard (Phrynosoma orbiculare) is a species of horned lizard. It is also known as the Chihuahua Desert horned lizard. The specific epithet, "orbiculare", comes from the Latin adjective "orbis", meaning "circular". "Phrynosoma orbiculare" has a characteristic single row of lateral abdominal fringe scales. This "horned toad" also has two short occipital horns. "P. orbiculare" is found only in the high plateau country of central Mexico. Specifically, it is found in the states of Chihuahua, Durango, and Nuevo León. Its range continues southeast through Morelos, Puebla and Veracruz. "P. orbiculare" occurs in a
Carchi Andes toad Carchi Andes toad The Carchi Andes toad, "Rhaebo colomai", is a species of toad endemic to the western slopes of the Andes in northern Ecuador and southern Colombia. It is listed as a critically endangered species due to a restricted range and habitat loss. "Rhaebo colomai" are medium-sized toads: males measure and females in snout–vent length. This species is known only from three locations: the type locality ("Cabacera del Rio Baboso, cerca a Lita', Carchi Province, Ecuador"), one other locality close by in the province of Carchi, in the northwestern Andes of Ecuador, and one locality on the Colombian Massif