Gastrotheca lateonota (common name: El Tambo marsupial frog) is a species of frog in the family Hemiphractidae. It is known from its type locality, El Tambo near Canchaque, Cordillera de Huancabamba, at an elevation of asl in Peru, and from the area of Chillacoche in the El Oro Province of Ecuador. Its natural habitat is cloud forest. Habitat loss is a possible threat. References lateonota Amphibians of the Andes Amphibians of Ecuador Amphibians of Peru Taxonomy articles created by Polbot Amphibians described in 1988