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Iheringia. Série Zoologia

versão impressa ISSN 0073-4721

Resumo

LUCENA, Carlos Alberto Santos de. Taxonomic revision of the Roeboides affinis-group (Ostariophysi, Characiformes, Characidae). Iheringia, Sér. Zool. [online]. 2007, vol.97, n.2, pp. 117-136. ISSN 0073-4721.  http://dx.doi.org/10.1590/S0073-47212007000200001.

A taxonomic study of the species of Roeboides affinis-group is presented. Seven species are recognized: R. affinis (Günther, 1868) which inhabits the Amazonian, Orinoco, and Paraná-Paraguay basins, the rivers of Guyana and Suriname, and Tocantins-Araguaia system; R. biserialis Garman, 1890 from river Amazonas basin, R. descalvadensis Fowler, 1932 which occurs in the Amazonas and Paraná-Paraguay basins; R. oligistos Lucena, 2000 which inhabits the Amazonian basin; R. numerosus Lucena, 2000 of the river Orinoco basin; R. xenodon (Reinhardt, 1851) from the river São Francisco basin, and R. sazimai n. sp., known only from the Parnaíba and Pindaré-Mearim drainages, northeastern Brazil. Roeboides paranensis Pignalberi, 1975 is considered a synonym of R. descalvadensis; Roeboides prognathus and R. thurni Eigenmann, 1912 are synonyms of R. affinis. Lectotypes are designaded to R. affinis, R. biserialis e R. francisci Steindachner, 1908. A identification key to the species of Roeboides affinis-group is given.

Palavras-chave : Fishes; Neotropical region; taxonomy; nomenclature; South America.

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