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Fig. 1. | BMC Biology

Fig. 1.

From: Phylogenomics resolves the evolutionary chronicle of our squirting closest relatives

Fig. 1.

The phylogeny of the tunicate lineages is resolved through phylogenomics. Tunicates are shown in blue font. Main characters tracing the diversification of chordates are indicated along the tree. Light blue squares indicate free-living chordates (whether benthic or pelagic); brown indicates a sessile benthic lifestyle. Yellow squares indicate solitary forms; navy blue indicates colonial forms, while the gradient indicates transitions from solitary to colonial in diverse lineages; the half-yellow, half-blue square indicates an alternation of solitary and colonial lifestyle (although some thaliaceans, such as pyrosomes, are permanently colonial). All images from PhyloPics (images credited to B. Duygu Özpolat, Mali’o Kodis, Melissa Frey, Michelle Site, S. martini)

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