A mitochondrial DNA based phylogeny of weakfish species of the Cynoscion group (Pisces: Sciaenidae) |
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| Authors: | Carlos Vergara-Chen Windsor E Aguirre Mercedes Gonzlez-Wangüemert Eldredge Bermingham |
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| Institution: | aDepartamento de Ecología e Hidrología, Facultad de Biología, Universidad de Murcia, Campus de Espinardo, 30100 Murcia, Spain;bDepartment of Ecology and Evolution, Stony Brook University, Stony Brook, 11794-5245 NY, USA;cSmithsonian Tropical Research Institute, Apartado 0843-03092 Balboa, Ancón, Panama |
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| Abstract: | We infer the phylogeny of fishes in the New World Cynoscion group (Cynoscion, Isopisthus, Macrodon, Atractoscion, Plagioscion) using 1603 bp of DNA sequence data from three mitochondrial genes. With the exception of Plagioscion, whose position was ambiguous, the Cynoscion group is monophyletic. However, several genera examined are not monophyletic. Atlantic and Pacific species of Cynoscion are interspersed in the tree and geminate species pairs are identified. Intergeneric relationships in the group are clarified. Our analysis is the first comprehensive phylogeny for the Cynoscion group based on molecular data and provides a baseline for future comparative studies of this important group. |
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| Keywords: | ATPase 8/6 Atractoscion Cynoscion Cytochrome b Geminate species Isopisthus Molecular systematics Macrodon Plagioscion |
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