Pristimantis nigrogriseus (Andersson, 1945)

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

Pseudohyla nigrogrisea Andersson, 1945, Ark. Zool., 37A(2): 87. Syntypes: NHRM 1905 (6 specimens), according to J.D. Lynch in Frost, 1985, Amph. Species World: 306. Type locality: "Baños, [Provincia Tungurahua,] Eastern Ecuador".

Eleutherodactylus nigrogriseusLynch, 1969, Bull. S. California Acad. Sci., 68: 219–224.

Eleutherodactylus (Eleutherodactylus) nigrogriseusLynch and Duellman, 1997, Univ. Kansas Mus. Nat. Hist. Spec. Publ., 23: 229.

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

Pristimantis (Pristimantis) nigrogriseusHedges, Duellman, and Heinicke, 2008, Zootaxa, 1737: 128.

English Names

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


Cloud forests along the eastern face of the Andes in Ecuador, 1150–2600 m elevation.

Geographic Occurrence

Natural Resident: Ecuador

Endemic: Ecuador


Discussed by Lynch, 1969, Bull. S. California Acad. Sci., 68: 219-224, who removed it from the synonymy of Eleutherodactylus palmeri, where it had been placed by Cochran and Goin, 1970, Bull. U.S. Natl. Mus., 288: 398. See also brief account by Lynch and Duellman, 1980, Misc. Publ. Mus. Nat. Hist. Univ. Kansas, 69: 43-44. In the Eleutherodactylus (Eleutherodactylus) martinicensis series, Eleutherodactylus unistrigatus group according to Lynch and Duellman, 1997, Univ. Kansas Mus. Nat. Hist. Spec. Publ., 23: 229. In the Pristimantis (Pristimantis) unistrigatus species group of Hedges, Duellman, and Heinicke, 2008, Zootaxa, 1737: 128. Not assignable to a species group according to Padial, Grant, and Frost, 2014, Zootaxa, 3825: 127. See photograph, map, description of geographic range and habitat, and conservation status (as Eleutherodactylus nigrogriseus) in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 360. Brito-M., Batallas-Revelo, and Yánez-Muñoz, 2017, Neotropical Biodiversity, 3: 125–156, provided a record from Morona Santiago, Ecuador and brief natural history notes. 

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