Abstract
A new anuran species, Cycloramphus lithomimeticus sp. nov., of the C. granulosus species group is described from theMunicipality of Itaguaí, in the State of Rio de Janeiro, Brazil (22°54'3.44"S; 43°53'34.59"W, 160 m). The new species isdistinguished from all other species in the C. granulosus group (and many others in the genus) by lacking inguinal macroglands (on males). We also present data on its natural history, a few aspects of its osteology, tadpole, and discuss evidence for the relationships of the genus based primarily on the morphology of the tadpole.References
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