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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: Ecological opportunity may facilitate diversification in Palearctic freshwater organisms: a case study on hydrobiid gastropods

Fig. 1

Speciation dynamics in the genera Corrosella and Pseudamnicola. (a) Maximum clade credibility tree computed in *BEAST with branch lengths proportional to relative time. Tips represent the species to which individuals were assigned. Species names in parentheses refer to the previous species assignments made in Delicado et al. [22]. Black dots on nodes indicate branches supported by BPP < 0.9. For the phylorate plot, branches were color-coded according to modeled speciation rates. Three categories of shell shapes were identified (shell figures), according to shell length / shell width ratios of 0.4–0.8, 0.9–1.3, and 1.4–1.9. (b) Linage-through-time plots of the MCC tree (solid lines) and the 95% confidence interval based on 1000 post-burn-in trees (dashed lines) are shown for each genus separately

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