Figure 4.

Results Mammalia. Trees summarising the results of the tree reconstructions on Mammalia. (A) Tree by the GTR and most mixed RNA/DNA model setups, showing the four monophyletic "superorders" Xenarthra, Afrotheria, Euarchontoglires and Laurasiatheria. BS values taken form the GTR model based analyses. (B) Tree derived from the RNA6A, RNA16 and RNA16B model setups, showing paraphyletic Rodentia as first splits within Eutheria and Xenarthra + Afrotheria as sistergroup to Laurasiatheria. BS values taken form the RNA16 model based analyses.

Letsch and Kjer BMC Evolutionary Biology 2011 11:146   doi:10.1186/1471-2148-11-146
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