Figure 1.

Nucleotide tree, 1st and 2nd codon positions. Numbers at nodes indicate posterior probabilities (×100). Vertical lines indicate monophyletic orders (thick) and families (thin). Lower-case order-level taxonomic names indicate non-monophyletic taxa.

Carapelli et al. BMC Evolutionary Biology 2007 7(Suppl 2):S8   doi:10.1186/1471-2148-7-S2-S8