Leptodactylus ventrimaculatus Boulenger, 1902, Ann. Mag. Nat. Hist., Ser. 7, 9: 53. Syntypes: BMNH 1947.2.17.78-80 (3 specimens); BMNH 1947.2.17.78 designated lectotype by Heyer and Peters, 1971, Proc. Biol. Soc. Washington, 84: 166. Type locality: "Bulún [Pulún], 160 feet", Esmeraldas Province, northwestern Ecuador.
Bulun White-lipped Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 82).
Central Ecuador to northern Peru, west of the Andes, and in Colombia on the Pacific lowlands north to Antioquia.
In the Leptodactylus fuscus group of Heyer, 1978, Sci. Bull. Nat. Hist. Mus. Los Angeles Co., 29: 1-85. See Ruiz-Carranza, Ardila-Robayo, and Lynch, 1996, Rev. Acad. Colomb. Cienc. Exact. Fis. Nat., 20: 407, for Colombian distribution.
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