Cycloramphus granulosus Lutz, 1929

Class: Amphibia > Order: Anura > Family: Cycloramphidae > Genus: Cycloramphus > Species: Cycloramphus granulosus

Cycloramphus granulosus Lutz, 1929, Mem. Oswaldo Cruz, Rio de Janeiro, 22: 13. Syntypes: IOC (now MNRJ), USNM 96742, UMMZ 92446 (formerly USNM 96747) and MCZ 25711 (formerly USNM, according to Barbour and Loveridge, 1946, Bull. Mus. Comp. Zool., 96: 98); USNM disputes the syntype status of the UMMZ and MCZ specimens—K. Tighe, USNM, personal commun. AL-MNRJ 1537 designated lectotype by Heyer, 1983, Arq. Zool., São Paulo, 30: 307. Type locality: "Serra da Bocaina", Rio de Janeiro and São Paulo, Brazil; given as Bonito, Serra da Bocaina, boundary of Rio de Janeiro and São Paulo [Brazil] by Cochran, 1955 "1954", Bull. U.S. Natl. Mus., 206: 261). Lectotype locality rendered as "Fazenda do Bonito, Serra da Bocaina (22°45’S, 44°33’W; Datum WGS 84; 1,185 m a.s.l.), Municipality of São José do Barreiro, State of São Paulo, Brazil", by Caramaschi and Pombal, 2023, Zootaxa, 5339: 474. 

Iliodiscus granulosusMiranda-Ribeiro, 1929, Bol. Mus. Nac., Rio de Janeiro, 5: 17.

Cycloramphus granulosusBokermann, 1951, Arq. Mus. Nac., Rio de Janeiro, 42: 86.

English Names

Granular Button Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 71).


Portions of the Serra da Bocaina, Serra da Mantiqueira, and Serra do Mar, Brazil.

Geographic Occurrence

Natural Resident: Brazil

Endemic: Brazil


 Forti, Haddad, Leite, Drummond, Assis, Crivellari, Mello, Garcia, Zornosa-Torres, and Toledo, 2019, PeerJ, 7(e7612): 1–39, reported on advertisement call.  Caramaschi and Pombal, 2023, Zootaxa, 5339: 474, discussed the types. 

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