Hemiphractus proboscideus (Jiménez de la Espada, 1870)

Class: Amphibia > Order: Anura > Family: Hemiphractidae > Genus: Hemiphractus > Species: Hemiphractus proboscideus

Cerathyla proboscidea Jiménez de la Espada, 1870, J. Sci. Math. Phys. Nat., Lisboa, 3: 64. Holotype: Not stated; given as MNCN 173 by Duellman, 1977, Das Tierreich, 95: 22, and MNCN 1737 by González-Fernández, 2006, Graellsia, 62: 133, and González-Fernández, García-Díez, and San Segundo, 2009, Spixiana, München, 32: 270. Type locality: "in Ecuador; ad sylvas prope Sumaco"; given as "Sumaco, Provincia Napo, Ecuador", by Duellman, 1977, Das Tierreich, 95: 22.

Ceratohyla proboscideaBoulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 453. Incorrect subsequent spelling.

Hemiphractus proboscideusNoble, 1926, Am. Mus. Novit., 212: 19, by implication; Trueb, 1974, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 29: 38.

Ceratohyla cristata Andersson, 1945, Ark. Zool., 37A(2): 18. Holotype: NHRM 1911, according to Trueb, 1974, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 29: 38. Type locality: "Río Pastaza, Watershed", eastern Ecuador. Synonymy by Trueb, 1974, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 29: 38.

English Names

Sumaco Horned Treefrogs (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 53).


Upper Amazon Basin in extreme southwestern Colombia, Ecuador and northern Peru; possibly extending into Amazonian Brazil.

Geographic Occurrence

Natural Resident: Colombia, Ecuador, Peru

Likely/Controversially Present: Brazil


See Duellman, 1978, Misc. Publ. Mus. Nat. Hist. Univ. Kansas, 65: 127, for comment on identification and account including brief characterization of call. See Duellman, 1993, Univ. Kansas Mus. Nat. Hist. Spec. Publ., 21: 75, for Peruvian record. Rodríguez and Duellman, 1994, Univ. Kansas Mus. Nat. Hist. Spec. Publ., 22: 21–22, provided a brief account. Metcalf, Marsh, Torres Pacaya, Graham, and Gunnels, 2020, Herpetol. Notes, 13: 753–767, reported the species from the Santa Cruz Forest Reserve, Loreto, northeastern Peru. Gagliardi-Urrutia, García Dávila, Jaramillo-Martinez, Rojas-Padilla, Rios-Alva, Aguilar-Manihuari, Pérez-Peña, Castroviejo-Fisher, Simões, Estivals, Guillen Huaman, Castro Ruiz, Angulo Chávez, Mariac, Duponchelle, and Renno, 2022, Anf. Loreto: 78–79, provided a brief account, photograph, dot map, and genetic barcode for Loreto, Peru. 

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