Aparasphenodon venezolanus (Mertens, 1950)

Class: Amphibia > Order: Anura > Family: Hylidae > Subfamily: Lophyohylinae > Genus: Aparasphenodon > Species: Aparasphenodon venezolanus

Corythomantis venezolana Mertens, 1950, Senckenb. Biol., 31: 1. Holotype: SMF 22168, by original designation. Type locality: "San Fernando [de Atabapo] oberer Orinoko, [Territorio Federal Amazonas,] Süd-Venezuela".

Aparasphenodon venezolanusTrueb, 1970, Univ. Kansas Publ. Mus. Nat. Hist., 18: 599.

English Names

Venezuela Casque-headed Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 52).


Southwestern Amazonian Venezuela and adjacent Colombia (Guainía); a seemingly separate population in south-central Roraima to northeast-central Amazonas, Brazil. 


For generic assignment see Trueb, 1970, Univ. Kansas Publ. Mus. Nat. Hist., 18: 599. For more recent discussion see Paolillo-O. and Cerda, 1983 "1981", Mem. Soc. Cienc. Nat. La Salle, 41: 77-95. Lynch and Vargas-Ramírez, 2001 "2000", Rev. Acad. Colomb. Cienc. Exact. Fis. Nat., 24: 588, provided the Colombian record. Assis, Santana, Silva, Quintela, and Feio, 2013, Zootaxa, 3716: 589, mapped a record for Amazonas, Brazil. Carvalho, Fraga, Bittencourt-Silva, Bonora, Condrati, and Vogt, 2018, Phyllomedusa, 17: 139–144, discussed the distribution of Aparasphenodon venezolanus in the Brazilian Amazon lowlands. See Barrio-Amorós, Rojas-Runjaic, and Señaris, 2019, Amph. Rept. Conserv., 13 (1: e180): 77, for comments on range and literature. Señaris and Rojas-Runjaic, 2020, in Rull and Carnaval (eds.), Neotrop. Divers. Patterns Process.: 571–632, commented on range and conservation status in the Venezuelan Guayana.

External links:

Please note: these links will take you to external websites not affiliated with the American Museum of Natural History. We are not responsible for their content.