Generic Partitioning of the South American Leptodactylid Frog Genus Eupsophus Fitzinger, 1843 (Sensu lato)
Lynch, John D.
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The frog genus Eupsophus has been loosely defined and is heterogeneous. Study of osteological material revealed several major differences among the included species; these data when collated with published results of other workers on life history data and external morphology, provide the bases for definition and recognition of three genera of frogs now included in Eupsophus (Eupsophus, Ischnocnema, and Thoropa) and for placing some species in other genera (Batrachyla and Niceforonia). Owing to paucity of data, two species are not assigned to currently recognized genera (Cystignathus sylvestris and Phrynopus peruanus). <br /><br />