Figure 6From: Evolution and genomic organization of muscle microRNAs in fish genomesPutative evolutionary scenario of muscle miRNAs in vertebrates. The blue, pink and yellow areas represent the Cenozoic, Mesozoic and Paleozoic eras, respectively. The gray square contains the legend for acquisition, duplication and deletion events. The bars on top and bottom (unscaled) represent the timescale in million years.Back to article page