Gastrotheca angustifrons (Boulenger, 1898)

Class: Amphibia > Order: Anura > Family: Hemiphractidae > Genus: Gastrotheca > Species: Gastrotheca angustifrons

Nototrema angustifrons Boulenger, 1898, Proc. Zool. Soc. London, 1898: 124. Syntypes: BMNH 1947.2.22.38–39 (formerly 1898.4.28.160–161) according to Condit, 1964, J. Ohio Herpetol. Soc., 4: 86. Type locality: "Cachabé" (= Cachabí), Provincia Esmeraldas, Ecuador. Noted elsewhere in the original publication as "Cachabé, a small village on the river of that name, on the N.W. Coast, in the Prov. Esmeraldas . . . . probably about 500 feet above the sea".

Gastrotheca angustifronsPeters, 1955, Rev. Ecuat. Entomol. Parsitol., 2: 339.

Gastrotheca (Opisthodelphys) angustifronsDubois, 1987 "1986", Alytes, 5: 31.

Gastrotheca (Amphignathodon) angustifrons — Duellman, 2015, Marsupial Frogs: 154. Attributed in error to Dubois, 1987 "1986". 

Amphignathodon angustifrons — Dubois, Ohler, and Pyron, 2021, Megataxa, 5: 151, by implication.

English Names

Pacific Marsupial Frogs (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 52).


Pacific lowlands of northwestern Ecuador (Esmeraldas Province) and western Colombia (Departments of Antioquia, Cauca, Valle del Cauca, and Chocó), 100–600 m elevation, in disjunct populations.

Geographic Occurrence

Natural Resident: Colombia, Ecuador


In the Gastrotheca ovifera group by implication of Duellman, Maxson, and Jesiolowski, 1988, Copeia, 1988: 527–543. See map, description of geographic range and habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 394. Provisionally assigned to the Gastrotheca longipes group by Castroviejo-Fisher, Padial, De la Riva, Pombal, Silva, Rojas-Runjaic, Medina-Méndez, and Frost, 2015, Zootaxa, 4004: 1–72. See account by Duellman, 2015, Marsupial Frogs: 154–157. 

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