Centrolenella ballux Duellman and Burrowes, 1989, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 132: 2. Holotype: KU 164725, by original designation. Type locality: "14 km (by road) west of Chiriboa (00° 18′ S, 78° 49′ W), 1960 m, Provincia de Pichincha, Ecuador".
Centrolene ballux — Ruiz-Carranza and Lynch, 1991, Lozania, 57: 19. Catenazzi, Von May, Lehr, Gagliardi-Urrutia, and Guayasamin, 2012, Zootaxa, 3388: 64.
"Centrolene" ballax — Guayasamin, Castroviejo-Fisher, Trueb, Ayarzagüena, Rada, and Vilà, 2009, Zootaxa, 2100: 54.
Burrowes' Giant Glass Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 46).
Known only from three localities in humid upper montane forest at elevations of 1700-2010 m on the Pacific versant of the Cordillera Occidental in southern Colombia (Department of Nariño) and northern Ecuador (Province of Pichincha, 1900-1960 m elevation).
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