Nyctimantis is a genus of frogs in the family Hylidae. The genus is found in south-eastern Brazil as well as in the Orinoco Basin in Venezuela, Colombia, and Brazil. These are tree-dwelling species usually hiding in the cisterns of epiphytic bromeliads. The top of the head carries a bony plate which is fused with the skin. Species The following species are recognised in the genus Nyctimantis: References (1970b): The evolutionary relationships of casque-headed treefrogs with co-ossified skulls (family Hylidae). - Univ. Kansas Publ. Mus. Nat. Hist. 18, pp. [547-716] External links taxon Aparasphenodon at http://www.eol.org. Taxon Aparasphenodon at https://web.archive.org/web/20160606043808/http://www.itis.gov/index.html. (Accessed: Apr 24, 2008). Taxon Aparasphenodon at https://web.archive.org/web/20080501142231/http://data.gbif.org/welcome.htm Hylidae Amphibians of South America Amphibian genera Taxa named by Alípio de Miranda-Ribeiro