Pristimantis pyrrhomerus (Lynch, 1976)

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

Eleutherodactylus pyrrhomerus Lynch, 1976, Herpetologica, 32: 310. Holotype: KU 131606, by original designation. Type locality: "east edge of Pilalo, Cotopaxi Province, Ecuador, elevation 2580 m."

Eleutherodactylus (Eleutherodactylus) pyrrhomerusLynch and Duellman, 1997, Univ. Kansas Mus. Nat. Hist. Spec. Publ., 23: 231.

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

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

Pristimantis (Trachyphrynus) pyrrhomerus — Franco-Mena, Guayasamin, Andrade-Brito, Yánez-Muñoz, and Rojas-Runjaic, 2023, PeerJ, 11 (e14715): 17.

English Names

Lynch's Pilalo Robber Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 78).


Upper cloud forest at elevations of 2075–3000 m on the western flank of the Andes in the provinces of Pichincha, Imbabura, Carchi, Cotopaxi and Bolívar, Ecuador.

Geographic Occurrence

Natural Resident: Ecuador

Endemic: Ecuador


Most closely related to Eleutherodactylus gladiator and Eleutherodactylus leoni according to Lynch, 1976, Herpetologica, 32: 311. In the monophyletic Eleutherodactylus pyrrhomerus assembly of the Eleutherodactylus unistrigatus group, according to Lynch, 1984, Herpetologica, 40: 237. See account by Lynch and Duellman, 1997, Univ. Kansas Mus. Nat. Hist. Spec. Publ., 23: 126-127, who placed it in the Eleutherodactylus (Eleutherodactylus) myersi group. In the Pristimantis myersi species group of Hedges, Duellman, and Heinicke, 2008, Zootaxa, 1737: 125, and of Padial, Grant, and Frost, 2014, Zootaxa, 3825: 126. See photograph, map, description of geographic range and habitat, and conservation status (as Eleutherodactylus pyrrhomerus) in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 371.

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