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Two new, remarkably colored species of the Neotropical catfish genus Cetopsorha...

Bockmann, Flávio A.; Reis, Roberto E.

Two new species of heptapterid catfish genus Cetopsorhamdia are described from close localities in western Brazil, at Chapada dos Parecis, an area with extremely high level of endemism. One species is from the upper Rio Madeira system, Rondônia State, and the other from the upper Rio Tapajós system, Mato Grosso State. The two species are diagnosed, among several other features, by their markedly distinctive col...

Date: 2021   |   Origin: Oasisbr

Photography-based taxonomy is inadequate, unnecessary, and potentially harmful ...

Ceriaco, Luis M. P.; Gutierrez, Eliecer E.; Dubois, Alain; Simon Abdala, Cristian; Alqarni, Abdulaziz S.; Adler, Kraig; Adriano, Edson A.; Aescht, Erna

Made available in DSpace on 2021-06-25T12:17:32Z (GMT). No. of bitstreams: 0 Previous issue date: 2016-11-23; Villanova Univ, Dept Biol, Villanova, PA 19085 USA; Museu Nacl Hist Nat & Ciencia, Lisbon, Portugal; Univ Brasilia, Dept Zool, Inst Ciencias Biol, BR-70910900 Brasilia, DF, Brazil; Smithsonian Inst, Natl Museum Nat Hist, Washington, DC 20560 USA; Sorbonne Univ, Museum Natl Hist Nat, ISYEB, Paris, France...

Date: 2021   |   Origin: Oasisbr


Phylogenetic relationships of the species of Acestridium Haseman, 1911 (Silurif...

Rodriguez, Mónica S.; Delapieve, Maria Laura S.; Reis, Roberto E.

Uma filogenia das espécies do gênero de Loricariidae Acestridium e grupos externos relevantes é apresentada com base na análise de parcimônia de 52 caracteres morfológicos não pesados e desordenados. Acestridium é diagnosticado como monofilético com base na posse de 17 sinapomorfias exclusivas. Duas árvores primárias foram encontradas e o consenso estrito entre essas árvores alternativas resultou nas seguintes ...

Date: 2019   |   Origin: Oasisbr

A new species of Rhamdella Eigenmann & Eigenmann, 1888 (Siluriformes: Heptapter...

Reis, Roberto E.; Malabarba, Luiz R.; Lucena, Carlos A.S. de

Rhamdella zelimai, new species, is described from the coastal river drainages in northeastern Rio Grande do Sul and southern Santa Catarina States, Brazil. The new species is readily distinguished from its congeners by the hypertrophy of the rictal fold, mainly its lower portion, consisting of a large and fleshy lobe that bends ventrally on itself. The phylogenetic relationships of the new species are assessed ...

Date: 2014   |   Origin: Oasisbr

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