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Title: | A new species of Nemuroglanis (Siluriformes: Heptapteridae) from the rio Guariba, rio Madeira basin, Brazil |
Authors: | Ribeiro, Frank Raynner Vasconcelos Pedroza, Wellington Silva Py-daniel, Lúcia Rapp |
Keywords: | Heptapteridae Nemuroglanis Siluriformes |
Issue Date: | 2011 |
metadata.dc.publisher.journal: | Zootaxa |
metadata.dc.relation.ispartof: | Volume 2799, Pags. 41-48 |
Abstract: | Nemuroglanis furcatus is described from streams of the rio Guariba, a clear water tributary of the rio Aripuanã, rio Madeira basin in Brazil. Nemuroglanis furcatus can be distinguished from its congeners by the possession of a long lateral line, reaching the middle portion of the adipose-fin base; a narrow posterior cranial fontanel (16 to 27% of its length); and the anterior border of pectoral bridge with a pointed contour. The plesiomorphic state of some of the synapomorphies for Nemuroglanis in N. furcatus suggests that this species might be the sister-group to the remaining species of the genus. A key for all four valid species of Nemuroglanis species is provided. © 2011. Magnolia Press. |
Appears in Collections: | Artigos |
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