Hemiphractus Wagler, 1828
Hemiphractus Wagler, 1828, Isis von Oken, 21: 736-737. Type species: Hemiphractus spixii Wagler, 1828 (= Rana scutata Spix, 1824), by monotypy.
Cerathyla Jiménez de la Espada, 1870, J. Sci. Math. Phys. Nat., Lisboa, 3: 63. Type species: Cerathyla bubalus Jiménez de la Espada, 1870, by subsequent designation of Myers and Carvalho, 1945, Bol. Mus. Nac., Rio de Janeiro, N.S., Zool., 35: 21. Synonymy by Noble, 1926, Am. Mus. Novit., 212: 19.
Ceratohyla — Boulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 453. Unjustified emendation.
Horned Treefrogs (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 53).
Horned Frogs (Ananjeva, Borkin, Darevsky, and Orlov, 1988, Dict. Amph. Rept. Five Languages: 52).
Panama; Pacific slopes of Colombia and northwestern Ecuador; upper Amazon Basin and Amazonian slopes and Andes in Brazil, Colombia, Ecuador, Peru, and Bolivia.
For revision of the genus see Trueb, 1974, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 29: 1-60. Sheil, Mendelson, and Silva, 2001, Herpetologica, 57: 203-214, provided a phylogenetic analysis of the genus. Duellman, 2015, Marsupial Frogs, reviewed the genus as part of a family-wide revision. Subsequently, Castroviejo-Fisher, Padial, De la Riva, Pombal, Silva, Rojas-Runjaic, Medina-Méndez, and Frost, 2015, Zootaxa, 4004: 1–72, provided a phylogenetic analysis of the species and related genera and noted a number of unnamed species.
Contained taxa (6 sp.):
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