Fritziana fissilis (Miranda-Ribeiro, 1920)

Class: Amphibia > Order: Anura > Family: Hemiphractidae > Genus: Fritziana > Species: Fritziana fissilis

Coelonotus fissilis Miranda-Ribeiro, 1920, Rev. Mus. Paulista, São Paulo, 12: 324. Syntypes: MZUSP 30a–c; MZUSP 30A designated lectotype by Bokermann, 1950, Pap. Avulsos Zool., São Paulo, 9: 218. Type locality: "Serra do Macahé, Estado do Rio [de Janeiro]", Brazil. Given as "Serra de Macaé, Nova Friburgo, Rio de Janeiro", Brazil by Bokermann, 1966, Lista Anot. Local. Tipo Anf. Brasil.: 28.

Nototheca fissilisBokermann, 1950, Pap. Avulsos Zool., São Paulo, 9: 218.

Flectonotus fissilisBokermann, 1966, Lista Anot. Local. Tipo Anf. Brasil.: 41; Weygoldt and Carvalho-e-Silva, 1991, Amphibia-Reptilia, 12: 67–80; by implication.

Fritziana fissilisDuellman and Gray, 1983, Herpetologica, 39: 333; Duellman, Jungfer, and Blackburn, 2011, Phyllomedusa, 10: 19.

English Names

Split-backed Frog (Cochran, 1961, Living Amph. World: 137; Ananjeva, Borkin, Darevsky, and Orlov, 1988, Dict. Amph. Rept. Five Languages: 54).

Serra de Macae Treefrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 52).


Restricted to Serra dos Órgãos mountain range. See comment. 

Geographic Occurrence

Natural Resident: Brazil

Endemic: Brazil


See account by Heyer, Rand, Cruz, Peixoto, and Nelson, 1990, Arq. Zool., São Paulo, 31: 252–253. Franz and Mello, 2015, Check List, 11 (Art. 1594): 1–4, reported Fritziana aff. fissilis from Rio Grande do Sul and discussed the taxonomic issue and range of the entire nominal species. Records from states of Rio de Janeiro, Rio Grande do Sul assigned to Fritziana mitus and that of Espiritu Santo to Fritziana tonimi by Walker, Wachlevski, Nogueira da Costa, Nogueira-Costa, Garcia, and Haddad, 2018, Herpetologica, 74: 329–341. Ferreira, Mônico, Silva, Lirio, Zocca, Mageski, Tonini, Beard, Duca, and Silva-Soares, 2019, ZooKeys, 857: 152, noted an unnamed species, "Fritziana aff. fissilis" in the region of Santa Teresa, Espírito Santo, Brazil. Pezzuti, Leite, Rossa-Feres, and Garcia, 2021, S. Am. J. Herpetol., 22 (Special Issue): 1–109, described Fritziana aff. fissilis larval morphology and natural history. 

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