Guedes JJosé Maga, de Assis CL, Novaes CMoura, Dergam JAbdala, Feio RNeves. Filling knowledge gaps about the ?Data Deficient? species Zachaenus carvalhoi Izecksohn, 1983 (Anura, Cycloramphidae): an endemic frog from the Atlantic Forest of southeastern Brazil. Herpetology Notes. 2019;12:113-204. Available at: https://www.biotaxa.org/hn/article/view/40533.