The complete mitochondrial genomes of 76 species from 43 genera under Cyprinidae were collected to reassess the molecular phylogeny of Opsariichthyinae Liao et al. 2011. The mitogenomes of three species, , and , were newly sequenced. Phylogenetic trees were reconstructed based on 13 concatenated multiple protein-coding genes with two ribosomal RNA genes. The concatenated dataset provided a new perspective on systematics and relationships. Tree topologies show that a monophyletic group containing , , , , and should belong to the group. In addition, the present results also strongly support that and should be regarded as distinct genera within the group. , , , and form a monophyletic group within Xenocyprididae, distinct from the group. Furthermore, is nested with four species of , a genus of ex-Cultrinae in Xenocyprididae. In addition, two major types of distinct stripes - longitudinal and vertical - were observed among species of the group and were highly correlated with molecular phylogenetic relationships. Such types of vertical and longitudinal stripes presented in the group might have originated in an ancestor species, after which distinct vertical stripes might have been lost among these cyprinids but retained in the group.
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| http://dx.doi.org/10.6620/ZS.2017.56-40 | DOI Listing |
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