Edalorhina pustulata Shreve, 1941, Proc. New England Zool. Club, 18: 80. Holotype: MCZ 7666, by original designation. Type locality: "Guayaquil, Ecuador".
Engystomops pustulata — Peters, 1955, Rev. Ecuat. Entomol. Parsitol., 2: 340.
Physalaemus pustulatus — Lynch, 1970, Copeia, 1970: 488-496.
Engystomops pustulatus — Nascimento, Caramaschi, and Cruz, 2005, Arq. Mus. Nac., Rio de Janeiro, 63: 312.
Guayaquil Dwarf Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 83).
Southwestern Ecuador and northwestern Peru.
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