A multilocus phylogeny of Asian noodlefishes Salangidae (Teleostei: Osmeriformes) with a revised classification of the family |
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Authors: | Fu Cuizhang Guo Li Xia Rong Li Jun Lei Guangchun |
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Institution: | Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Institute of Biodiversity Science, Fudan University, Shanghai 200433, China. czfu@fudan.edu.cn |
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Abstract: | A group of small and transparent Asian noodlefishes (Osmeriformes: Salangidae) are commercially important fishery species, however, interrelationships among these fishes remain unresolved in previous studies using mitochondrial markers. We re-examine phylogenetic relationships of Salangidae by including complete taxon sampling, based on seven nuclear loci and one mitochondrial gene using a multilocus coalescence-based species-tree method. Our results show a well-resolved phylogeny of Salangidae that does not agree with previous hypotheses. The topology test suggests that our hypothesis represents the most likely phylogeny. Using the inferred species-tree as criterion, we recombine the rank of subfamilies and genera in the Salangidae, and erect a new genus Neosalangichthys. Our revised classification of Salangidae is well supported by reinterpreting previously proposed diagnostic characters. Finally, re-defined synapomorphic characters are used to erect a key to the genera of Salangidae. |
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