Oral cavity of the tadpoles of Boana bandeirantes (Caramaschi and Cruz, 2013) and B. polytaenia (Cope, 1870), with a new state record for B. bandeirantes (Amphibia, Anura, Hylidae)

Cyro Luna-Dias, Joice Ruggeri, Sergio Potsch Carvalho-e-Silva

Abstract


The clade of Boana polytaenia is composed of 12 species, including B. bandeirantes, and B. polytaenia, two morphologically similar species. We describe the oral cavity morphology of the tadpoles of B. bandeirantes and B. polytaenia. Their morphologies are very similar to the oral cavity morphology of B. leptolineata, the only species of the B. polytaenia clade to have had this feature described to date. The two species can be distinguished based on two combined characters: (1) number of papillae forming the ridge in the prenarial arena and (2) number of lateral papillae at each side of the median ridge. The geographic distribution of B. bandeirantes is extended to southern state of Minas Gerais, Brazil, representing the first record of the species in this state.

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