Gastrotheca guentheri (Boulenger, 1882)

Class: Amphibia > Order: Anura > Family: Hemiphractidae > Subfamily: Hemiphractinae > Genus: Gastrotheca > Species: Gastrotheca guentheri

Amphignathodon guentheri Boulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 450. Holotype: BMNH 1946.9.7.28 according to Condit, 1964, J. Ohio Herpetol. Soc., 4: 86, animal figured on pl. 30 of the original publication. Type locality: "Intac", Imbabura Province, Ecuador.

Gastrotheca guentheriDuellman, Maxson, and Jesiolowski, 1988, Copeia, 1988: 531.

Gastrotheca (Amphignathodon) guentheriDuellman, 2015, Marsupial Frogs: 173. 

English Names

Gunther's Marsupial Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 53).

Dentate Marsupial-Frog (Arteaga-Navarro, Bustamante, and Guayasamin, 2013, Amph. Rept. Mindo: 101). 

Distribution

Pacific slopes of Andes in Ecuador (Pichincha and Cotopaxi provinces) and Colombia (Antioquia and Nariño departments with an apparent gap between thee populations), 1200–2010 m elevation; one questionable record from the Amazonian slope of the Cordillera Oriental in extreme northern Ecuador at 2690 m elevation.

Comment

In the Gastrotheca ovifera group of Duellman, Maxson, and Jesiolowski, 1988, Copeia, 1988: 527-543. See photograph, map, description of geographic range and habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 396. Wiens, 2011, Evolution, 65: 1283-1296, rediscovered the well-known fact (Boulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 450) that Gastrotheca guentheri has teeth in its lower jaw, the only frog known to do so. Arteaga-Navarro, Bustamante, and Guayasamin, 2013, Amph. Rept. Mindo: 101–102, provided an account and dot map for Ecuador and noted its precipitous population declines.  In the Gastrotheca longipes group of 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: 173–177. 

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