Figure 2.

The alternative topologies tested (Table 2). The letters in the alphanumeric label indicates the taxon whose position was tested (also in bold): A = Orcinus orca; B = Lagenorhynchus albirostris; C = Grampus griseus; D = Steno bredanensis, while the numbers correspond to item numbers in Table 2.

Vilstrup et al. BMC Evolutionary Biology 2011 11:65   doi:10.1186/1471-2148-11-65
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