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Fig. 4 | BMC Evolutionary Biology

Fig. 4

From: Molecular phylogeny of the subfamily Stevardiinae Gill, 1858 (Characiformes: Characidae): classification and the evolution of reproductive traits

Fig. 4

Section of the Stevardiinae phylogeny showing the relationships among clades “B” and “C” and Stevardiinae, and, within Stevardiinae, in the tribes Eretmobryconini and Xenurobryconini. ML tree obtained with RAxML. Single name labels several terminals when they lead to same nominal species. Type species of each genus are highlighted in green when sampled in this study. Red sperm symbols highlight taxa with insemination strategy, while blue sperm symbols highlight taxa known to have external fertilization. Sperm types are indicated by M1 – M3. Absence of any symbols next to taxon names indicates lack of knowledge about reproductive characters. Bootstrap values indicated with dots placed on internal branches according to inset caption. Section of the full topology shown on the left (shaded) is expanded on the right. Node 1 subtends Eretmobrycon (resurrected in this study; type species E. bayano) that includes all species of Bryconamericus scleroparius group (Bryconamericus species from Central America and northernmost South America)

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