Scinax nasicus (Cope, 1862)

Class: Amphibia > Order: Anura > Family: Hylidae > Subfamily: Hylinae > Genus: Scinax > Species: Scinax nasicus

Hyla nasica Cope, 1862, Proc. Acad. Nat. Sci. Philadelphia, 14: 354. Syntypes: USNM 5835, 32371, according to Cochran, 1961, Bull. U.S. Natl. Mus., 220: 56, and Duellman, 1977, Das Tierreich, 95: 63; Klappenbach and Langone, 1992, An. Mus. Nac. Hist. Nat. Montevideo, Ser. 2, 8: 182, noted that only USNM 5835 (lot number?) was cited in the original description. Type locality: Not mentioned specifically, but the Page Expedition visited many localities now in Brazil,northeastern Argentina, and southern Paraguay, along the drainages of the Paraná and Paraguai Rivers. Type locality given as "Paraguay" by Müller and Hellmich, 1936, Wissenschaft. Ergebn. Deutschen Gran Chaco Exped., Amph. Rept.: 67.

Hylella anisitsi Méhely, 1904, Ann. Hist. Nat. Mus. Natl. Hungarici, 2: 229. Holotype: MNH according to Duellman, 1977, Das Tierreich, 95: 30. Type locality: "near Asuncion and [or] Villa Sana", Paraguay. Synonymy by Langone, 1991, Comun. Zool. Mus. Hist. Nat. Montevideo, 176: 1-3.

Hyla x-signata nasicaLutz, 1973, Brazil. Spec. Hyla: 143.

Hyla anisitziDuellman, 1977, Das Tierreich, 95: 30. Incorrect subsequent spelling.

Ololygon nasicaFouquette and Delahoussaye, 1977, J. Herpetol., 11: 393.

Ololygon nasicumLaurent and Teran, 1981, Fund. Miguel Lillo, Misc., 71: 10. Incorrect subsequent spelling.

Scinax nasicaDuellman and Wiens, 1992, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 151: 23.

Scinax nasicusKöhler and Böhme, 1996, Rev. Fr. Aquar. Herpetol., 23: 139.

English Names

Lesser Snouted Treefrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 64).

Common Washroom Frog (Norman, 1994, Anf. Rept. Chaco Paraguayo, 1: 39).


Paraguay, northern and central Argentina (south to Córdoba and Buenos Aires provinces), northwestern to west central Uruguay, eastern Bolivia, and southern Brazil (Mato Grosso, Mato Grosso do Sul, southern Goiás, western Minas Gerais, São Paulo, Paraná, Rio de Janeiro, Santa Catarina, and Rio Grande do Sul).

Geographic Occurrence

Natural Resident: Argentina, Bolivia, Brazil, Paraguay, Uruguay


See discussion by Klappenbach and Langone, 1992, An. Mus. Nac. Hist. Nat. Montevideo, Ser. 2, 8: 182–183. See De la Riva, Márquez, and Bosch, 1994, Bijdr. Dierkd., 64: 75–85, for advertisement call. Placed in the Scinax ruber group by Pombal, Haddad, and Kasahara, 1995, J. Herpetol., 29: 1–6. The Scinax ruber group rejected as nonmonophyletic by Faivovich, 2002, Cladistics, 18: 367–393. In the Scinax ruber clade of Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 96. Rozzi Giménez and Gallego, 2001 "2000", Cuad. Herpetol., 14: 169, discussed the range. Cechin, Santos, Kopp, Spies, and Trevisan, 2002, Herpetol. Rev., 33: 222, provided a range extension to Rio Grande do Sul and commented on the distribution. Haro, Giraudo, and Cejas, 2001, Cuad. Herpetol., 15: 90–91, discussed the range in Argentina. Achaval and Olmos, 2003, Anf. Rept. Uruguay, ed. 2: 48, provided a brief account and photograph for the Uruguay population. Natale and Herrera, 2006, Herpetol. Rev., 37: 360, provided a range extension in Argentina and discussed the range. Vera Candioti, 2007, Zootaxa, 1600: 1–175, reported on detailed larval morphology. Carezzano and Cabrera, 2010, Check List, 6: 390–391, provided a record for Córdoba Province, Argentina. Weiler, Núñez, Airaldi, Lavilla, Peris, and Baldo, 2013, Anf. Paraguay: 78, provided a brief account, image, and dot map for Paraguay. Pederassi, Lima, and Souza, 2015, Herpetol. Rev., 46: 214, provided a record for Porto Real, Rio de Janeiro, Brazil, and briefly summarized the range in Brazil. Schulze, Jansen, and Köhler, 2015, Zootaxa, 4016: 46–50, described, diagnosed, and pictured the larvae of the two lineages detected in Bolivia. See account by Maneyro, Langone, and Carreira, 2019, in Maneyro, Langone, and Carreira (eds.), Libro Rojo Anf. Rept. Uruguay: 69–73, for Uruguay. Laufer, Gobel, Kacevas, Lado, Cortizas, Carabio, Arrieta, Prigioni, Borteiro, and Kolenc, 2021, Amph. Rept. Conserv., 15 (2: e290): 228–237, provided new records for Uruguay and discussed conservation status. In the Scinax nasicus group of Araujo-Vieira, Lourenço, Lacerda, Lyra, Blotto, Ron, Baldo, Pereyra, Suárez-Mayorga, Baêta, Ferreira, Barrio-Amorós, Borteiro, Brandão, Brasileiro, Donnelly, Dubeux, Köhler, Kolenc, Leite, Maciel, Nunes, Orrico, Peloso, Pezzuti, Reichle, Rojas-Runjaic, Silva, Sturaro, Langone, Garcia, Rodrigues, Frost, Wheeler, Grant, Pombal, Haddad, and Faivovich, 2023, S. Am. J. Herpetol., 27 (Special Issue): 119 (see comment under Hylinae).  

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