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Phylogeny and limb tagmosis of Paleozoic lobopodians. (A) Strict consensus of 123 most parsimonious trees (consistency index, 0.65; retention index, 0.87) under implied weights (k = 4); + denotes extant taxa. (B) Bar chart illustrating Brillouin index for appendage diversity (h) for each taxon (Dataset S1); crossed bars indicate insufficient data. Abbreviations: BS, Burgess Shale; EBS, Emu Bay Shale.
