# Ololygon

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***Ololygon*** is a genus of [frogs](/source/Frog) in the family [Hylidae](/source/Hylidae).[1] The majority of species in it are [endemic](/source/Endemism) to the [Atlantic Forest](/source/Atlantic_Forest) of eastern [Brazil](/source/Brazil),[1] although the range of some species, including *[Ololygon aromothyella](/source/Ololygon_aromothyella)* and *[Ololygon berthae](/source/Ololygon_berthae)*, is known to extend south to northeastern [Argentina](/source/Argentina), southern [Paraguay](/source/Paraguay), and [Uruguay](/source/Uruguay).[2][3]

## Species

The following species are recognized in the genus *Ololygon*:[1]

- *[Ololygon agilis](/source/Ololygon_agilis)* (Cruz and Peixoto, 1983)
- *[Ololygon albicans](/source/Ololygon_albicans)* (Bokermann, 1967)
- *[Ololygon alcatraz](/source/Ololygon_alcatraz)* (Lutz, 1973)
- *[Ololygon angrensis](/source/Ololygon_angrensis)* Lutz, 1973
- *[Ololygon arduous](/source/Ololygon_arduous)* Peixoto, 2002
- *[Ololygon argyreornata](/source/Ololygon_argyreornata)* (Miranda-Ribeiro, 1926)
- *[Ololygon ariadne](/source/Ololygon_ariadne)* (Bokermann, 1967)
- *[Ololygon aromothyella](/source/Ololygon_aromothyella)* Faivovich, 2005
- *[Ololygon atrata](/source/Ololygon_atrata)* (Peixoto, 1989)
- *[Ololygon belloni](/source/Ololygon_belloni)* (Faivovich, Gasparini, and Haddad, 2010)
- *[Ololygon berthae](/source/Ololygon_berthae)* (Barrio, 1962)
- *[Ololygon brieni](/source/Ololygon_brieni)* (De Witte, 1930)
- *[Ololygon caissara](/source/Ololygon_caissara)* (Lourenço, Zina, Catroli, Kasahara, Faivovich, and Haddad, 2016)
- *[Ololygon canastrensis](/source/Ololygon_canastrensis)* (Cardoso and Haddad, 1982)
- *[Ololygon cardosoi](/source/Ololygon_cardosoi)* Carvalho-e-Silva and Peixoto, 1991
- *[Ololygon carnevallii](/source/Ololygon_carnevallii)* Caramaschi and Kisteumacher, 1989
- *[Ololygon catharinae](/source/Ololygon_catharinae)* (Boulenger, 1888)
- *[Ololygon centralis](/source/Ololygon_centralis)* (Pombal and Bastos, 1996)
- *[Ololygon cosenzai](/source/Ololygon_cosenzai)* (Lacerda, Peixoto, and Feio, 2012)
- *[Ololygon faivovichi](/source/Ololygon_faivovichi)* (Brasileiro, Oyamaguchi, and Haddad, 2007)
- *[Ololygon feioi](/source/Ololygon_feioi)* (Lourenço, Lacerda, Cruz, Nascimento, and Pombal, 2020)
- *[Ololygon flavoguttata](/source/Ololygon_flavoguttata)* (Lutz and Lutz, 1939)
- *[Ololygon garibaldiae](/source/Ololygon_garibaldiae)* (Lourenço, Lingnau, Haddad, and Faivovich, 2019)
- *[Ololygon goya](/source/Ololygon_goya)* (Andrade, Santos, Rocha, Pombal, and Vaz-Silva, 2018)
- *[Ololygon heyeri](/source/Ololygon_heyeri)* Peixoto and Weygoldt, 1987
- *[Ololygon hiemalis](/source/Ololygon_hiemalis)* (Haddad and Pombal, 1987)
- *[Ololygon humilis](/source/Ololygon_humilis)* (A. Lutz and B. Lutz, 1954)
- *[Ololygon insperata](/source/Ololygon_insperata)* (Silva and Alves-Silva, 2011)
- *[Ololygon jureia](/source/Ololygon_jureia)* (Pombal and Gordo, 1991)
- *[Ololygon kautskyi](/source/Ololygon_kautskyi)* (Carvalho-e-Silva and Peixoto, 1991)
- *[Ololygon littoralis](/source/Ololygon_littoralis)* (Pombal and Gordo, 1991)
- *[Ololygon littoreus](/source/Ololygon_littoreus)* Peixoto, 1988
- *[Ololygon longilinea](/source/Ololygon_longilinea)* (Lutz, 1968)
- *[Ololygon luizotavioi](/source/Ololygon_luizotavioi)* Caramaschi and Kisteumacher, 1989
- *[Ololygon machadoi](/source/Ololygon_machadoi)* (Bokermann and Sazima, 1973)
- *[Ololygon melanodactyla](/source/Ololygon_melanodactyla)* (Lourenço, Luna, and Pombal, 2014)
- *[Ololygon melloi](/source/Ololygon_melloi)* Peixoto, 1989
- *[Ololygon muriciensis](/source/Ololygon_muriciensis)* (Cruz, Nunes, and Lima, 2011)
- *[Ololygon obtriangulata](/source/Ololygon_obtriangulata)* (Lutz, 1973)
- *[Ololygon peixotoi](/source/Ololygon_peixotoi)* (Brasileiro, Haddad, Sawaya, and Martins, 2007)
- *[Ololygon perpusilla](/source/Ololygon_perpusilla)* (Lutz and Lutz, 1939)
- *[Ololygon pixinguinha](/source/Ololygon_pixinguinha)* (Lacerda, Ferreira, Araujo-Vieira, Zocca, and Lourenço, 2021)
- *[Ololygon pombali](/source/Ololygon_pombali)* (Lourenço, Carvalho, Baêta, Pezzuti, and Leite, 2013)
- *[Ololygon ranki](/source/Ololygon_ranki)* (Andrade and Cardoso, 1987)
- *[Ololygon rizibilis](/source/Ololygon_rizibilis)* (Bokermann, 1964)
- *[Ololygon skaios](/source/Ololygon_skaios)* (Pombal, Carvalho, Canelas, and Bastos, 2010)
- *[Ololygon skuki](/source/Ololygon_skuki)* (Lima, Cruz, and Azevedo, 2011)
- *[Ololygon strigilata](/source/Ololygon_strigilata)* (Spix, 1824)
- *[Ololygon trapicheiroi](/source/Ololygon_trapicheiroi)* (A. Lutz and B. Lutz, 1954)
- *[Ololygon tripui](/source/Ololygon_tripui)* (Lourenço, Nascimento, and Pires, 2010)
- *[Ololygon tupinamba](/source/Ololygon_tupinamba)* (Silva and Alves-Silva, 2008)
- *[Ololygon v-signata](/source/Ololygon_v-signata)* (Lutz, 1968)

## References

1. Frost, Darrel R. (2024). ["*Ololygon* Fitzinger, 1843"](https://amphibiansoftheworld.amnh.org/Amphibia/Anura/Hylidae/Hylinae/Ololygon/Ololygon). *Amphibian Species of the World: an Online Reference. Version 6.2*. American Museum of Natural History. Retrieved 5 April 2024.

1. IUCN SSC Amphibian Specialist Group (2023). "*Ololygon aromothyella*". Vol. 2023. [doi:10.2305/IUCN.UK.2023-1.RLTS.T61792A101435806.en](https://doi.org/10.2305/IUCN.UK.2023-1.RLTS.T61792A101435806.en). Retrieved 5 April 2024.

1. IUCN SSC Amphibian Specialist Group (2023). "*Ololygon berthae* (Dwarf Snouted Treefrog)". Vol. 2023. [doi:10.2305/IUCN.UK.2023-1.RLTS.T55934A101426502.en](https://doi.org/10.2305/IUCN.UK.2023-1.RLTS.T55934A101426502.en). Retrieved 16 November 2021.

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Adapted from the Wikipedia article [Ololygon](https://en.wikipedia.org/wiki/Ololygon) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Ololygon?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.