Validation of Eleutherodactylus crepitans Bokermann, 1965, notes on the types and type locality of Telatrema heterodactylum Miranda-Ribeiro, 1937, and description of a new species of Eleutherodactylus from Mato Grosso, Brazil (Amphibia : Anura : Leptodactylidae)

Examination of the types of Eleutherodactylus crepitans Bokermann, 1965, in dicates that they represent a valid species, which should be removed from t he synonymy of Eleutherodactylus fenestratus (Steindachner 1864). Eleuthero dactylus crepitans is only known from the type material. Certain features o f the types of Telatrema heterodactylum Miranda-Ribeiro, 1937, are describe d and the type locality clarified. Analysis of the advertisement call and m orphology of a series of specimens from Chapada dos Guimaraes indicates tha t the specimens represent a species distinct from E. fenestratus (Stein dac hner 1864), for which no name is available. We describe this new species as Eleutherodactylus dundeei. The frog fauna of Chapada dos Guimaraes contain s four distinct historical units: cerrado, chaco, Amazonian hylaea, and end emic.