Pristimantis orcesi (Lynch, 1972)

Class: Amphibia > Order: Anura > Superfamily: Brachycephaloidea > Family: Strabomantidae > Subfamily: Pristimantinae > Genus: Pristimantis > Species: Pristimantis orcesi

Eleutherodactylus orcesi Lynch, 1972, Herpetologica, 28: 142. Holotype: KU 130316, by original designation. Type locality: "on the Guaranda-Ambato road on the southwest slope of Nevado Chimborazo, about 5 km SW of the Bolivar-Chimborazo border, Bolivar Province, Ecuador, 3800 m."

Eleutherodactylus (Eleutherodactylus) orcesiLynch, 1996, in Powell and Henderson (eds.), Contr. W. Indian Herpetol.: 154; Lynch and Duellman, 1997, Univ. Kansas Mus. Nat. Hist. Spec. Publ., 23: 229.

Pristimantis orcesiHeinicke, Duellman, and Hedges, 2007, Proc. Natl. Acad. Sci. USA, Suppl. Inform., 104: Table 2.

Pristimantis (Pristimantis) orcesiHedges, Duellman, and Heinicke, 2008, Zootaxa, 1737: 125.

English Names

Bolivar Robber Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 77).


Páramos to the north and east of Guaranda, and to the west of Quito, Ecuador, at elevations between 3160–3800 m.

Geographic Occurrence

Natural Resident: Ecuador

Endemic: Ecuador


In the Eleutherodactylus (Eleutherodactylus) martinicensis series, Eleutherodactylus orcesi group according to Lynch and Duellman, 1997, Univ. Kansas Mus. Nat. Hist. Spec. Publ., 23: 229. See brief account by Lynch, 1981, Misc. Publ. Mus. Nat. Hist. Univ. Kansas, 72: 29-30. Almendáriz C. and Orcés, 2004, Rev. Politécnica, Quito, 25: 125-126, provided distributional data for Ecuador. Not assignable to a species group according to Padial, Grant, and Frost, 2014, Zootaxa, 3825: 127. Placed in their Pristimantis orcesi group by Sánchez-Nivicela, Urgilés, Cedeño-Palacios, Abad-Peñafiel, and Guayasamin, 2021, Neotropical Biodiversity, 6: 224–237. 

External links:

Please note: these links will take you to external websites not affiliated with the American Museum of Natural History. We are not responsible for their content.