Publicação: Taxonomic review of Scinax fuscomarginatus (Lutz, 1925) and related species (Anura; Hylidae)
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Wiley-Blackwell
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Scinax fuscomarginatus, Scinax parkeri, Scinax trilineatus, Scinax lutzorum, and Scinax pusillus are morphologically similar species with controversial taxonomy associated with open formations of South America east of the Andes. We used external morphology, advertisement call, and molecular sequences to assess the taxonomy of these species. Phylogenetic analysis of molecular data showed a well-supported monophyletic group divided into two main clades and several subclades. Specimens of Hyla madeirae (synonym of S. fuscomarginatus) and those from Serra do Cachimbo correspond to distinct subclades, whereas the currently valid species were grouped into a single clade. This clade showed a marked substructure, but concordance of the recognized species to subclades was limited, showing S. fuscomarginatus to be paraphyletic with respect to S. parkeri, S. trilineatus, S. lutzorum, and S. pusillus. The high intrapopulation and intraspecific variation found in morphological characters did not allow us to differentiate amongst the currently recognized species. Similarly, none of them was distinguishable by morphometric analysis or advertisement call. Based on multiple evidence, we propose the synonymy of S. parkeri, S. trilineatus, S. lutzorum, and S. pusillus with S. fuscomarginatus, the revalidation of H. madeirae, and describe the specimens from Serra do Cachimbo as a new species. (C) 2014 The Linnean Society of London
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advertisement call, external morphology, Hyla madeirae, mitochondrial phylogeny, Scinax lutzorum, Scinax parkeri, Scinax pusillus, Scinax trilineatus, Scinax villasboasi sp nov.
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Inglês
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Zoological Journal Of The Linnean Society. Hoboken: Wiley-blackwell, v. 171, n. 4, p. 783-821, 2014.
