Hepp, F., Carvalho-E-Silva, S.P.D., Carvalho-E-Silva, A.M.T.D. and Folly, M. 2015. A fifth species of the genus Euparkerella (Griffths, 1959), the advertisement calls of E. robusta Izecksohn, 1988 and E. tridactyla Izecksohn, 1988, and a key for the Euparkerella species (Anura: Brachycephaloidea: Craugastoridae). Zootaxa. 3973, 2 (Jun. 2015), 251–270. DOI:https://doi.org/10.11646/zootaxa.3973.2.3.