Leptodactylus longirostris Boulenger, 1882

Class: Amphibia > Order: Anura > Family: Leptodactylidae > Subfamily: Leptodactylinae > Genus: Leptodactylus > Species: Leptodactylus longirostris

Leptodactylus longirostris Boulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 240. Syntypes: BMNH 1876.5. 26.4–5; BMNH 1876.5.26.4 designated lectotype by Heyer, 1978, Sci. Bull. Nat. Hist. Mus. Los Angeles Co., 29: 32. Type locality: "Santarem", Pará, Brazil; see Crombie and Heyer, 1983, Rev. Brasil. Biol., 43: 291–296, for discussion of type locality.

English Names

Longnose Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 82).

Long Snouted Thin-toed Frog (Kok and Kalamandeen, 2008, Intr. Taxon. Amph. Kaieteur Natl. Park: 218).


Guiana Shield region of eastern Venezuela, eastern Amazonian Colombia (Guainía), Guyana, and Suriname, inselbergs of French Guiana, and south into Amapá, Brazil and Brazilian Amazonia. 

Geographic Occurrence

Natural Resident: Brazil, Colombia, French Guiana, Guyana, Suriname, Venezuela


In the Leptodactylus fuscus group of Heyer, 1978, Sci. Bull. Nat. Hist. Mus. Los Angeles Co., 29: 1–85. See account by Crombie and Heyer, 1983, Rev. Brasil. Biol., 43: 291–296, who described the advertisement call, larval morphology, and provided ecological and distrributional notes. Duellman, 1997, Sci. Pap. Nat. Hist. Mus. Univ. Kansas, 2: 21, commented on tadpoles, calls, and natural history in a population in southeastern Venezuela.  Lynch and Vargas-Ramírez, 2001 "2000", Rev. Acad. Colomb. Cienc. Exact. Fis. Nat., 24: 588, provided the Colombian record. Lescure and Marty, 2000, Collect. Patrimoines Nat., Paris, 45: 234–237, provided a photo and brief account for French Guiana. See comments regarding distribution of Venezuelan population by Gorzula and Señaris, 1999 "1998", Scient. Guaianae, 8: 60–61. Kok and Kalamandeen, 2008, Intr. Taxon. Amph. Kaieteur Natl. Park: 218–219, provided an account. MacCulloch and Lathrop, 2009, R. Ontario Mus. Contrib. Sci., 4: 14, commented on a specimen from Mount Ayanganna, Guyana. See account for Suriname population by Ouboter and Jairam, 2012, Amph. Suriname: 242–243. See Cole, Townsend, Reynolds, MacCulloch, and Lathrop, 2013, Proc. Biol. Soc. Washington, 125: 424, for brief account and records for Guyana. Señaris, Lampo, Rojas-Runjaic, and Barrio-Amorós, 2014, Guía Ilust. Anf. Parque Nac. Canaima: 210–211, provided a photograph and a brief account for the Parque Nacional de Canaima, Venezuela. In the Leptodactylus fuscus species group of de Sá, Grant, Camargo, Heyer, Ponssa, and Stanley, 2014, S. Am. J. Herpetol., 9(Spec. Issue 1): 1–123, and who provided a summary of relevant literature (adult and larval morphology, identification, advertisement call, and range) on pp. 38–39. Dias-Souza, Sanches, Esteves-Silva, Tavares-Costa, Damasceno-Souza, and Costa-Campos, 2018, Herpetol. Rev., 49: 282, provided a record from the Parque Natural Municipal do Canção, Municipality of Serra do Navio, Amapá, Brazil. See Barrio-Amorós, Rojas-Runjaic, and Señaris, 2019, Amph. Rept. Conserv., 13 (1: e180): 94–95, for comments on range and literature. Fouquet, Vidal, and Dewynter, 2019, Zoosystema, 41: 371, noted that the populations on either side of the Amazon River have yet to be compared genetically. Taucce, Costa-Campos, Carvalho, and Michalski, 2022, Eur. J. Taxon., 836: 96–130, reported on distribution, literature, and conservation status for Amapá, Brazil. Schiesari, Rossa-Feres, Menin, and Hödl, 2022, Zootaxa, 5223: 87–88, detailed larval and metamorph morphology and natural history. 

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