Chiasmocleis antenori (Walker, 1973)

Class: Amphibia > Order: Anura > Family: Microhylidae > Subfamily: Gastrophryninae > Genus: Chiasmocleis > Species: Chiasmocleis antenori

Syncope antenori Walker, 1973, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 20: 3. Holotype: KU 124009, by original designation. Type locality: "Puerto Libre, Río Aguarico, 570 m, Provincia Napo, Ecuador".

Chiasmocleis antenori — Peloso, Sturaro, Forlani, Gaucher, Motta, and Wheeler, 2014, Bull. Am. Mus. Nat. Hist., 386: 33. 

Chiasmocleis (Syncope) antenori — de Sá, Tonini, van Huss, Long, Cuddy, Forlani, Peloso, Zaher, and Haddad, 2018 "2019", Mol. Phylogenet. Evol., 130: 206. 

English Names

Ecuador Silent Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 93).


Amazonian Ecuador in the Provinces of Orellana, Pastaza, Morona Santiago, Zamora Chinchipe, Napo, and Sucumbíos, Ecuador; Amazonian Peru in the provinces of Huánuco, Loreto, San Martín, Cusco and Madre de Dios; adjacent Acre, Brazil; expected in Amazonian Colombia. 

Geographic Occurrence

Natural Resident: Brazil, Ecuador, Peru

Likely/Controversially Present: Colombia


von May, Santa-Cruz Farfan, and Jennings, 2007, Herpetol. Rev., 38: 476, provided a record from Madre de Dios, Peru. Duellman, 1978, Misc. Publ. Mus. Nat. Hist. Univ. Kansas, 65: 192–127, provided a brief account including characterization. Rodríguez and Duellman, 1994, Univ. Kansas Mus. Nat. Hist. Spec. Publ., 22: 76, provided a brief account for the Iquitos region of northeastern Peru. Krügel and Richter, 1995, Copeia, 1995: 955–963, reported on larval morphology. Bernarde, Machado, and Turci, 2011, Biota Neotrop., 11: 117–144, reported specimens from Reserva Extrativista Riozinho da Liberdade, Acre, Brazil. Morales and Vargas, 2003, Herpetol. Rev., 34: 203–206, reported on vocalization. Peloso, Sturaro, Forlani, Gaucher, Motta, and Wheeler, 2014, Bull. Am. Mus. Nat. Hist., 386: 33–34, provided an account and implied some controversy over the identity of some Peruvian records as well as placing it in the Chiasmocleis hudsoni clade. See brief account for the Manu region, Peru, by Villacampa-Ortega, Serrano-Rojas, and Whitworth, 2017, Amph. Manu Learning Cent.: 242–243.  

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