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Preface: How far has Neotropical Ichthyology progressed in twenty years? Neotropical Ichthyology
Birindelli,José L. O.; Sidlauskas,Brian L..
ABSTRACT Studies on the diversity, taxonomy, phylogeny, and biogeography of Neotropical Fishes have thrived over the twenty years that have elapsed since the first symposium on their phylogeny and classification in Porto Alegre, Brazil. Here, we review recent advances in the study of Neotropical fishes and assess the known diversity of freshwater species in that region. 6,255 valid freshwater species have been discovered in the Neotropics so far, and we estimate that over 9,000 species will be known when the inventory is complete. We also summarize the events of the second Symposium on Phylogeny and Classification of Neotropical Fishes that took place last year in Londrina, Brazil. Along with invited talks on the biodiversity of all major groups of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodiversity; Phylogeny; Systematics; Taxonomy; Richard Vari.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252018000300307
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Systematic assessment of the Leporinus desmotes species complex, with a description of two new species Neotropical Ichthyology
Burns,Michael D.; Chatfield,Marcus; Birindelli,José L. O.; Sidlauskas,Brian L..
ABSTRACT Members of the Leporinus desmotes species complex can be distinguished from other barred or banded congeners by the combination of nine distinct black bars across the head and trunk and long, pointed, laterally compressed and upward curving symphyseal dentary teeth. A taxonomic reassessment of this complex revealed two new species, one from the Orinoco and Negro rivers of Venezuela and Brazil, and the other from the Xingu and Tapajós rivers of Brazil. Both species are similar to L. desmotes and L. jatuncochi, but differ significantly in body shape morphology, coloration, and/or circumpeduncular scale counts. Genetic evidence also contributes to the recognition of both new species. This contribution also maps the geographic distribution of the four...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anostomidae; Characiformes; Morphology; South America; Taxonomy.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252017000200219
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