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      Revision of Bairdiella (Sciaenidae: Perciformes) from the western South Atlantic, with insights into its diversity and biogeography

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          Abstract

          ABSTRACT The sciaenid genus Bairdiella comprises a group of relatively small fishes found in inshore waters and estuaries of the western Atlantic and eastern Pacific. Despite recent analyses of the phylogenetic relationships of Bairdiella, there has been no comprehensive revision of the alpha taxonomy of the species of the genus. Bairdiella ronchus from the western Atlantic, has a complex taxonomic history, with four junior synonyms recognized. Based on morphological and molecular evidence, this study indicates that B. ronchus represents a species complex. The species is therefore redescribed and its geographic range is redefined. Bairdiella veraecrucis, which is currently recognized as a junior synonym of B. ronchus, is revalidated, and a new species of the genus is described from the Atlantic coast of Brazil. Finally, inferences are made on the diversity and biogeography of the B. ronchus species complex.

          Translated abstract

          RESUMO O gênero Bairdiella compreende um grupo de peixes relativamente pequenos encontrados em águas costeiras e estuários do Atlântico ocidental e leste do Pacífico. Apesar das análises recentes das relações filogenéticas de Bairdiella, não houve revisão abrangente da taxonomia alfa das espécies do gênero. Bairdiella ronchus, do Atlântico ocidental, tem uma história taxonômica complexa, com quatro sinônimos juniores reconhecidos. Baseado em evidências morfológicas e moleculares, este estudo indica que B. ronchus representa um complexo de espécies. A espécie é, portanto, redescrita e seu alcance geográfico é redefinido. Bairdiella veraecrucis, atualmente reconhecida como sinônimo júnior de B. ronchus, é revalidada, e uma nova espécie do gênero é descrita na costa atlântica do Brasil. Finalmente, inferências são feitas sobre a diversidade e biogeografia do complexo de espécies de B. ronchus.

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          MEGA6: Molecular Evolutionary Genetics Analysis version 6.0.

          We announce the release of an advanced version of the Molecular Evolutionary Genetics Analysis (MEGA) software, which currently contains facilities for building sequence alignments, inferring phylogenetic histories, and conducting molecular evolutionary analysis. In version 6.0, MEGA now enables the inference of timetrees, as it implements the RelTime method for estimating divergence times for all branching points in a phylogeny. A new Timetree Wizard in MEGA6 facilitates this timetree inference by providing a graphical user interface (GUI) to specify the phylogeny and calibration constraints step-by-step. This version also contains enhanced algorithms to search for the optimal trees under evolutionary criteria and implements a more advanced memory management that can double the size of sequence data sets to which MEGA can be applied. Both GUI and command-line versions of MEGA6 can be downloaded from www.megasoftware.net free of charge.
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            Patterns of distribution and processes of speciation in Brazilian reef fishes

            Luiz Rocha (2003)
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              The southwestern Atlantic reef fish fauna: composition and zoogeographic patterns

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                ni
                Neotropical Ichthyology
                Neotrop. ichthyol.
                Sociedade Brasileira de Ictiologia (Maringá, PR, Brazil )
                1679-6225
                1982-0224
                April 2019
                : 17
                : 1
                : e180024
                Affiliations
                [3] Ciudad de México orgnameUniversidad Nacional Autónoma de México orgdiv1Instituto de Biología Mexico biolgarciame@ 123456gmail.com
                [5] Santos orgnameUniversidade Santa Cecília orgdiv1Acervo Zoológico Brazil mmrotundo@ 123456unisanta.br
                [2] Botucatu orgnameUniversidade Estadual Paulista orgdiv1Instituto de Biociências orgdiv2Departamento de Morfologia Brazil claudio@ 123456ibb.unesp.br
                [4] São Paulo São Paulo orgnameUniversidade de São Paulo orgdiv1Museu de Zoologia Brazil rodricaires@ 123456yahoo.com.br
                [1] Belém PA orgnameMuseu Paraense Emílio Goeldi Brazil a_marceniuk@ 123456hotmail.com
                Article
                S1679-62252019000100205
                10.1590/1982-0224-20180024
                4310b64b-22ed-406f-a54f-0344dd9b5667

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 02 March 2018
                : 20 December 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 67, Pages: 0
                Product

                SciELO Brazil

                Categories
                Original Article

                Biogeographic patterns,Taxonomia,Padrões Biogeograficos,Espécie nova,Coplexo de espécies,Atlântico ocidental,Western Atlantic,Taxonomy,Species complex,New species

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