Nymphargus anomalus (Lynch and Duellman, 1973)

Class: Amphibia > Order: Anura > Family: Centrolenidae > Subfamily: Centroleninae > Genus: Nymphargus > Species: Nymphargus anomalus

Centrolenella anomala Lynch and Duellman, 1973, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 16: 14. Holotype: KU 143299, by original designation. Type locality: "Río Azuela, 1740 m, Quito--Lago Agrio road, Provincia Napo, Ecuador".

Cochranella anomalaRuiz-Carranza and Lynch, 1991, Lozania, 57: 21.

Nymphargus anomalusCisneros-Heredia and McDiarmid, 2007, Zootaxa, 1572: 34.

English Names

Napo Cochran Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 46).


Known only from three localities (Volcán Sumaco, Río Azuela, Río Yana Challuwa Yaku) on the Amazonian slopes of the Ecuadorian Andes, Provincia Napo, at elevations of 1668–1771 m elevation. 


In the Cochranella ocellata group according to Ruiz-Carranza and Lynch, 1991, Lozania, 57: 1-30. Cisneros-Heredia and McDiarmid, 2007, Zootaxa, 1572: 46, corrected the diagnosis. See photograph, map, description of geographic range and habitat, and conservation status (as Cochranella anomala) in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 212. See account by Rada, Ospina-Sarria, and Guayasamin, 2017, S. Am. J. Herpetol., 12: 137–141. 

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