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—Ratio between T-to-C and C-to-T inferred substitutions. Terminal branches (labelled by taxa) and internal branches (not labelled) are ordered following their divergence on the tree. Among phyllostomids, vampire bats (Drot, Dyou, Deca) along with Vampyrum, Chrotopterus, Micronycteris, and Sturnira exhibit a higher number of T-to-C substitutions, supporting the hypothesis of a mutational bias toward these kind of changes in the corresponding lineages.
