Leptodactylus knudseni Heyer, 1972

Holotype: LACM 72117.

Type locality: “ Limoncocha, 0°24’S, 76°37’W, Provincia de Napo, Ecuador.”

Distribution: Regions 4, 5. Widely distributed in Amazon Basin, incl. Bolivia, Peru, Ecuador, Colombia, Brazil, Venezuela Guyana, Suriname, French Guiana, and Trinidad and Tobago. In Venezuela, widespread south of Orinoco River.

Remarks: In Leptodactylus pentadactylus species group of De Sá et al. (2014).

Selected references: Heyer (1972, 1979, 2005); Hero and Galatti (1990); Barrio (1996a); Gorzula and Señaris (1998); Barrio-Amorós et al. (2011b); De Sá et al. (2014); Señaris et al. (2014).