期刊
IHERINGIA SERIE ZOOLOGIA
卷 102, 期 4, 页码 426-437出版社
FUNDACAO ZOOBOTANICA RIO GRANDE SUL, MUSEU CIENCIAS NATURAIS
DOI: 10.1590/S0073-47212012005000012
关键词
Caridean shrimps; Crustacea; freshwater prawns; Neotropical region; Synonymy
类别
资金
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo - FAPESP [2005/50651-1, 2002/08178-9, Tematico Biota 2010/50188-8, Colecoes Cientificas 2009/54931-0]
- CAPES [02630/2009-5]
- CNPq [472746/2004-9, 491490/2004-6, 473050/2007-2, 471011/2011-8, PQ 301261/2004-0, 302748/2010-5]
The freshwater prawns of the genus Macrobrachium Spence Bate, 1868 are widely distributed in rivers of tropical and subtropical regions and represent an interesting group with controversial taxonomy. The morphological characters traditionally used to separate species have shown a high intraspecific variation. Doubts about the status of M. birai Lobao, Melo & Fernandes, 1986, M. holthuisi Genofre & Lobao, 1978 and M. petronioi Melo, Lobao & Fernandes, 1986 have been arisen due to the high resemblance of the former two species with M. olfersi (Wiegmann, 1836), and the latter one with M. potiuna (Muller, 1880). Therefore, we performed a detailed morphological analysis of these species, including new characters not usually used in the species recognition. The present results here with molecular data lead us to conclude that M. birai and M. holthuisi are junior synonyms of M. olfersi, and M. petronioi is a junior synonym of M. potiuna. Considering these synonymies, 17 valid species are now reported for the Brazilian territory.
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