Ololygon heyeri Peixoto and Weygoldt, 1987

Class: Amphibia > Order: Anura > Family: Hylidae > Subfamily: Hylinae > Genus: Ololygon > Species: Ololygon heyeri

Ololygon "heyeri" Peixoto and Weygoldt In Weygoldt, 1986, Zool. Jahrb., Jena, Abt. Syst., 113: 432. Syntypes: EI 7558 and MZUSP 61094;. Type locality: Santa Teresa, 700 m, Espírito Santo, Brazil. Unavailable name under Art. 13 of the ICZN (1999). See comment. 

Ololygon heyeri Peixoto and Weygoldt, 1987, Senckenb. Biol., 68: 1-9. Holotype: EI 7558 (designated lectotype under mistaken idea that Peixoto and Weygoldt, 1986, had coined the name; see comment). Type locality: Santa Teresa, 700 m, Espírito Santo, Brazil. 

Scinax heyeriDuellman and Wiens, 1992, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 151: 22.

Ololygon heyeri — Duellman, Marion, and Hedges, 2016, Zootaxa, 4104: 26.

English Names

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


Vicinity of the type locality in the Atlantic coastal forest of eastern Brazil.

Geographic Occurrence

Natural Resident: Brazil

Endemic: Brazil


In the Scinax catharinae clade, Scinax catharinae group of Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 95. Description amplified by Peixoto and Weygoldt, 1987, Senckenb. Biol., 68: 1-9. Hepp, Lourenço, and Pombal, 2017, Salamandra, 53: 212–230, reported on acoustic traits (as Scinax heyeri). J. Lacerda in Ferreira, Mônico, Silva, Lirio, Zocca, Mageski, Tonini, Beard, Duca, and Silva-Soares, 2019, ZooKeys, 857: 152, noted an unnamed species, "Ololygon aff. heyeri" in the region of Santa Teresa, Espírito Santo, Brazil. See discussion by Caramaschi, Pombal, and Dubois, 2022, Bionomina, 26: 45–49, on the authorship of the name. In the Ololygon catharinae 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): 61 (see comment under Hylinae). 

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