Atelopus pulcher Boulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 154. Syntypes: BMNH (5 specimens), by original designation including animal figured on pl. 13, fig. 2 of the original. BMNH 1947.2.1480 designated lectotype by Lötters, Haas, Schick, and Böhme, 2002, Salamandra, 38: 171. Type locality: "Chyavetas", eastern Peru. Suggested to be "Chayahuitas . . . near the margin or Río Puma [sic] (5° 5′ S, 76° 10′ W), and about 40 miles north of Balsapuerto", Peru, by Rivero, 1968, Caribb. J. Sci., 8: 19..
Atelopus pulcher pulcher — Peters, 1973, Smithson. Contrib. Zool., 145: 41.
Atelopus pulcher — Gascon, 1989, Rev. Brasil. Zool., 6: 235. Lötters, Haas, Schick, and Böhme, 2002, Salamandra, 38: 165-184.
Atelopus spumarius pulcher — Henle, 1992, Bonn. Zool. Beitr., 43: 92.
None noted.
Lower Andean versant in the upper Río Huallaga drainage, Departamentos San Martin and Loreto, Peru, ca. 600-900 m elevation, possibly into Ecuador.
Resurrected from the synonymy of Atelopus spumarius by Gascon, 1989, Rev. Brasil. Zool., 6: 235, and Lötters, Haas, Schick, and Böhme, 2002, Salamandra, 38: 165-184, where it had been placed by Rivero, 1968, Caribb. J. Sci., 8: 19; and Lescure, 1981, Bull. Mus. Natl. Hist. Nat. Paris, Sect. A, Zool., 3: 894. See account by Lötters, Haas, Schick, and Böhme, 2002, Salamandra, 38: 172-182. See photograph, map, description of geographic range and habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 174. Lötters and Schulte, 2005, in Rueda-Almonacid et al. (eds.), Ranas Arlequines: 103, provided a brief account, photograph, and map. Lötters, Van der Meijden, Coloma, Boistel, Cloetens, Ernst, Lehr, and Veith, 2011, Syst. Biodiversity, 9: 54, rejected the conspecificity of Atelopus pulcher and Atelopus spumarius.
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