Ololygon Fitzinger, 1843

Class: Amphibia > Order: Anura > Family: Hylidae > Subfamily: Scinaxinae > Genus: Ololygon
50 species

Ololygon Fitzinger, 1843, Syst. Rept.: 31. Type species: Hyla strigilata Spix, 1824, by original designation. 

Ololigon — Miranda-Ribeiro, 1923, Rev. Mus. Paulista, São Paulo, 13: 826. Incorrect subsequent spelling.

Ololygon — Duellman, Marion, and Hedges, 2016, Zootaxa, 4104: 25, 

English Names

None noted. 


Atlantic Coastal Forest of eastern Brazil, extending southward to northeastern Argentina and westward into gallery forests in the Brazilian Cerrado


 Pombal, Bastos, and Haddad, 1995, Naturalia, São Paulo, 20: 213–225, combined the Scinax rizibilis group with the Scinax catharinae group on the basis of the fact that some members of the Scinax rizibilis species group, more specifically Scinax trapicheiroi (now in Ololygon) show intraspecific variation in the lateral development of the vocal sac, the only synapomorphy of the Scinax rizibilis species group. It is important to note that the characters that they give are not very well defined, as the call structure, or just a seemingly synapomorphy of the Scinax catharinae species group (breeding in closed areas) and suggested that Scinax might better be broken into at least two genera (J. Faivovich, pers. comm.); this has now happened. Removed from the synonymy of Scinax by Duellman, Marion, and Hedges, 2016, Zootaxa, 4104: 25, where it was placed by Pombal and Gordo, 1991, Mem. Inst. Butantan, São Paulo, 53: 139 (who considered this taxon to be in Hyla), and Duellman and Wiens, 1992, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 151: 1. The former Scinax catherinae group of Faivovich, 2002, Cladistics, 18: 367–393. Nogueira, Solé, Siqueira, Affonso, Strüssmann, and Sampaio, 2016, Genet. Mol. Biol., 39…49–53, detected an unnamed species in this group in the Chapada dos Guimarães, central Brazil. Peixoto, Guimarães, Lacerda, Leal, Rocha, and Feio, 2016, Acta Herpetol., Firenze, 11: 53–57, reported on vocal synapomorphies of the Scinax v-signatus group. Hepp, Lourenço, and Pombal, 2017, Salamandra, 53: 212–230, reviewed the bioacoustics of the group (as Scinax catharinae group).  Gruber, Oliveira, Silva, Narimatsu, Haddad, and Kasahara, 2017, Comp. Cytogenet., 11: 267–283, reported on the mechanism for karyological differentiation of Ololygon and Scinax

Contained taxa (50 sp.):

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