Hyla (Hylella) bifurca Andersson, 1945, Ark. Zool., 37A(2): 79. Holotype: NHRM 1962 according to Duellman, 1977, Das Tierreich, 95: 37. Type locality: "Rio Pastaza", eastern Ecuador.
Dendropsophus bifurcus — Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 91.
Upper Amazon Treefrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 54).
Upper Amazon Basin in Colombia, Ecuador, Peru, Bolivia, and Acre, Brazil.
In the Dendropsophus leucophyllatus group of Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 91. See Duellman, 1974, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 27: 15. See De la Riva, 1990, Boll. Mus. Reg. Sci. Nat. Torino, 8: 273. De la Riva, Köhler, Lötters, and Reichle, 2000, Rev. Esp. Herpetol., 14: 32, noted considerable difference between the Ecuadorian and Bolivian populations.
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