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| Guedes,Tharles L. O.; Oliveira,Everton F.; Lucinda,Paulo H. F.. |
| ABSTRACT A new species of the genus Bryconops , subgenus Bryconops , is described from the rio Conceição, a tributary to the rio Palma, upper rio Tocantins drainage, Tocantins State, Brazil. The new species is distinguished from all its congeners, except B. humeralis and B. vibex by the color pattern in vivo (dorsal, adipose, and caudal fins entirely orange). The new species is easily distinguished from B. humeralis and B. vibex by the absence of a humeral spot and by the lack of maxillary teeth (vs . presence of a single humeral spot and presence of 1-3 maxillary teeth on both sides). Furthermore, the new species is distinguished from B. vibex by the number of perforated lateral line scales (38-41 vs. 44-46). |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiversity; Freshwater; Rio Conceição; Systematics; Taxonomy. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252016000200220 |
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| Bertaco,Vinicius A.; Lucinda,Paulo H. F.. |
| A new characid species, Astyanax elachylepis, is described from the rio Tocantins drainage. The new species is distinguished from its congeners by possessing 48-53 perforated scales along the lateral line, a large caudal-peduncle spot, the presence of bony hooks on dorsal, anal, pelvic, and pectoral fins of males, one or two vertically-elongated humeral spots, one maxillary tooth, and 22-27 branched anal-fin rays. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Neotropical; Characiformes; Astyanax microlepis; Taxonomy. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252005000300006 |
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| Lucinda,Paulo H. F.. |
| The genus Phalloptychus is revised. Phalloptychus iheringii is removed from the synonym of P. januarius. Three species are recognized: P. eigenmanni, P. januarius, and P. iheringii. Phalloptychus eigenmanni can be distinguished from its congeners by the number of pelvic-fin rays in females, the number of predorsal scales, and the predorsal distance in females. Phalloptychus iheringii and P. januarius can be distinguished by the number of epipleural ribs, number of gonopodial rays, and a significantly different number of vertical bars along body side in females. Lectotypes are designated for Girardinus iheringii and G. januarius. Redescriptions and known distribution ranges are provided for each species as well as an identification key. Derived features... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Neotropical; Ichthyofauna; Taxonomy; Phylogeny; Live-bearing; Killifishes. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252005000300004 |
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| Lucinda,Paulo H. F.. |
| A phylogenetic hypothesis of relationships is proposed for the species of Cnesterodon. A series of derived features supports the monophyly of the genus and infrageneric clades. The genus Cnesterodon is revised, with Gulapinnus considered a junior synonym. A lectotype is designated for Poecilia decemmaculata Jenyns. Nine species of Cnesterodon are recognized: C. decemmaculatus, C. carnegiei, C. brevirostratus, C. septentrionalis, C. omorgmatos, C. hypselurus, C. raddai, a new species from the rio Ribeira de Iguape, described herein, and a new species from the Rio Grande do Sul, being described by in a separate paper. Diagnoses and distribution ranges are provided for each species as well as a key to identification of the species. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Neotropical Ichthyofauna; Taxonomy; Phylogeny; Live-bearing killifishes. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252005000200003 |
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