Trachycephalus nigromaculatus Tschudi, 1838

Class: Amphibia > Order: Anura > Family: Hylidae > Subfamily: Hylinae > Genus: Trachycephalus > Species: Trachycephalus nigromaculatus

Hyla occipitalis Fitzinger, 1826, Neue Class. Rept.: 63. Types: presumably NHMW, but not noted in recent type lists. Type locality: "America, Brasilia". Nomen nudum. Synonymy by Steindachner, 1864, Verh. Zool. Bot. Ges. Wien, 14: 243.

Trachycephalus nigromaculatus Tschudi, 1838, Classif. Batr.: 74. Syntypes: MNHNP 4608-4609, according to Duellman, 1977, Das Tierreich, 95: 183. Type locality: "America meridionalis".

Trachycephalus geographicus Duméril and Bibron, 1841, Erp. Gen., 6: 536. Syntypes: MNHNP 4608-09, according to Guibé, 1950 "1948", Cat. Types Amph. Mus. Natl. Hist. Nat.: 20. Type locality: "Brésil" (=Brazil). Named as a junior synonym of Trachycephalus nigromaculatus Tschudi, 1838, and an objective synonym by reason of sharing types. Synonymy by Duméril and Bibron, 1841, Erp. Gen., 6: 536; Günther, 1859 "1858", Cat. Batr. Sal. Coll. Brit. Mus.: 118.

Hyla geographica — Duméril and Bibron, 1841, Erp. Gen., 6: 536.

Hyla nigromaculataBoulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 368.

Hyla (Trachycephalus) angustifrons Werner, 1893, Zool. Anz., 16: 83. Syntypes: Not stated, presumably NHMW, but not noted in recent type lists. Type locality: "Brasilien". Synonymy by Werner, 1894, Zool. Anz., 17: 414; Nieden, 1923, Das Tierreich, 46: 299.

Trachycephalus nigromaculatusLutz, 1954, Mem. Oswaldo Cruz, Rio de Janeiro, 52: 159. Gorham, 1963, Canad. Field Nat., 77: 24.

English Names

Black-spotted Casque-headed Treefrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 65).


Coastal regions of southern Brazil from Espírito Santo to São Paulo; interior in Bahia, Minas Gerais, and Goiás to southern Piauí.

Geographic Occurrence

Natural Resident: Brazil

Endemic: Brazil


Izecksohn and Carvalho-e-Silva, 2001, Anf. Municipio Rio de Janeiro: 64, provided a brief account and photo. Call described by Abrunhosa, Wogel, and Pombal, 2001, Bol. Mus. Nac., Rio de Janeiro, 472: 1–12. Freitas and Lima, 2009, Herpetol. Rev., 40: 363, provided a record for Bahia and commented on the range. Forti, Foratto, Márquez, Pereira, and Toledo, 2018, PeerJ, 6(e4813): 1–19, characterized the advertisement call. Martins and Assalim, 2019, Check List, 15: 411–414, reported the species in southern Piauí, and commented on the range. 

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