Taxonomic revision of doubtful Brazilian freshwater shrimp species of genus Macrobrachium (Decapoda, Palaemonidae)

Os camaroes de agua doce do genero Macrobrachium Spence Bate, 1868 encontram-se amplamente distribuidos em rios de regioes tropicais e subtropicais e representam um grupo com taxonomia controversa. Os caracteres morfologicos comumente utilizados para separacao de especies apresentam uma grande variacao intraespecifica. Duvidas sobre o status taxonomico de M. birai Lobao, Melo & Fernandes, 1986, M. holthuisi Genofre & Lobao, 1978 e M. petronioi Melo, Lobao & Fernandes, 1986 foram levantadas devido a alta similaridade morfologica das primeiras com relacao a M. olfersi (Wiegmann, 1836) e da ultima com relacao a M. potiuna (Muller, 1880). Assim, foi realizada uma analise morfologica detalhada de tais especies, incluindo novos caracteres comumente nao utilizados na identificacao dos taxons. A partir dos resultados obtidos, juntamente com dados moleculares, concluimos que M. birai e M. holthuisi sao sinonimos-junior de M. olfersi, e M. petronioi e sinonimo-junior de M. potiuna. Portanto, considerando-se tais sinonimias, sao reportadas 17 especies validas para o territorio brasileiro.

• Publication year

  2012

• Venue

  Iheringia Serie Zoologia

• Publication date

  2012-12-01

• Fields of study

  Not labeled

• Identifiers
  DOI 10.1590/S0073-47212012005000012
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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