Bejarano-Muñoz, Patricia, María B. Pérez-Lara, and Jorge Brito M. “New Information on the Colouration and Natural History of the Papallacta Robber Frog Pristimantis Acerus (Lynch & Duellman, 1980) (Anura: Craugastoridae)”. ACI Avances en Ciencias e Ingenierías 7, no. 2 (December 30, 2015). Accessed April 20, 2026. https://revistas.usfq.edu.ec/index.php/avances/article/view/251.