Kwet, A., R. Maneyro, A. Zillikens & D. Mebs

In Issues 2005

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Advertisement calls of Melanophryniscus dorsalis (Mertens, 1933) and M. montevidensis (Philippi, 1902), two parapatric species from southern Brazil and Uruguay, with comments on morphological variation in the Melanophryniscus stelzneri group (Anura: Bufonidae). pp. 3-20.