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. 2015 Sep 30;116(2):190–199. doi: 10.1038/hdy.2015.89

Figure 1.

Figure 1

Whole-genome duplication events across metazoan phylogeny. Xiphosuran, chelicerate and metazoan consensus phylogeny, with arthropod relationships based on Regier et al. (2010) and wider metazoan relationships based on Dunn et al. (2008). Note that some inter-relationships, notably in the Chelicerata, are controversial. Specific clades noted in the text, such as the Chelicerata, Protostomia and Deuterostomia, are indicated by differential shading. Known WGD events are marked with a lightning bolt. Note multiple rounds of WGD have occurred in all lineages thus marked.