Pleurodema elegans Steindachner, 1863, Sitzungsber. Akad. Wiss. Wien, Phys. Math. Naturwiss. Kl., 48: 186. Syntypes: NHMW 4432. 1-5, according to Häupl, Tiedemann, and Grillitsch, 1994, Kat. Wiss. Samml. Naturhist. Mus. Wien, 9: 31. Type locality: "Lachen bei Forte [= Forte São Joaquim]de Rio branco", Roraima, Brazil. Primary homonym of Pleurodema elegans Bell, 1843. Synonymy by Boulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 232.
Lystris brachyops Cope, 1869 "1868", Proc. Acad. Nat. Sci. Philadelphia, 20: 312. Syntypes: ANSP 2260-64, according to Malnate, 1971, Proc. Acad. Nat. Sci. Philadelphia, 123: 349. Type locality: "Magdalena River, New Grenada [= Colombia]".
Pleurodema sachsi Peters, 1877, Monatsber. Preuss. Akad. Wiss. Berlin, 1877: 460. Holotype: ZMB 9094 according to Bauer, Günther, and Klipfel, 1995, in Bauer et al. (eds.), Herpetol. Contr. W.C.H. Peters: 46. Type locality: "San Fernando de Apure", Venezuela. Synonymy by Boulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 232.
Paludicola brachyops — Boulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 232.
Pleurodema brachyops — Ruthven, 1922, Misc. Publ. Mus. Zool. Univ. Michigan, 8: 53. Nieden, 1923, Das Tierreich, 46: 499; Rivero, 1961, Bull. Mus. Comp. Zool., 126: 88.
Paludicola sachsi — Stejneger, 1933, Medd. Zool. Mus. Oslo, 40: 48.
Colombian Four-eyed Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 84).
Guyana and northern Brazil (Roraima) through Venezuela (including Isla Margarita) and Colombia into Panama in dry llanos and savanna areas; also Curaçao, Aruba, Bonaire, and Klein Bonaire in the Netherlands Antilles.
See accounts by Rivero, 1961, Bull. Mus. Comp. Zool., 126: 88; and Cochran and Goin, 1970, Bull. U.S. Natl. Mus., 288: 483-486. Gorzula and Señaris, 1999 "1998", Scient. Guaianae, 8: 80, discussed range with special reference to Venezuela. Barrio-Amorós, 1999 "1998", Acta Biol. Venezuelica, 18: 49, commented on the Venezuelan range. Ugueto and Rivas-Fuenmayor, 2010, Amph. Rep. Margarita Coche Cubagua: 77-79, provided an account for the population on the Venezuelan island of Margarita.
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