Table 2 Information content and characteristics of each gene partition

Number of sequences

   213 (100%)

   192 (90%)

   178 (84%)

   175 (82%)

   182 (85%)

bp after alignment

   633

   992

   755

   1266

   1034

Number of variable sites

   357

   636

   377

   835

   680

Number of informative characters under parsimony

   298

   556

   314

   645

   574

% informative characters under parsimony

   47.07

   56.04

   41.59

   50.94

   55.51

Π _A

   0.2584

   0.3472

   0.3137

   0.3059

   0.2702

Π _C

   0.2186

   0.3516

   0.2205

   0.1971

   0.1961

Π _G

   0.1813

   0.0623

   0.1945

   0.1947

   0.2173

Π _T

   0.3418

   0.2389

   0.2713

   0.3022

   0.3164

Overall mean genetic distance (p-distance)

   0.124 ± 0.007

   0.208 ± 0.007

   0.087 ± 0.005

   0.111 ± 0.005

   0.115 ± 0.004

Nucleotide substitution model

   GTR

   GTR

   TrN

   TVM

   TVM

α (shape) parameter of Γ distribution

   0.60

   0.42

   1.04

   0.88

   1.00

Proportion of invariants (I) sites

   0.42

   0.37

   0.48

   0.32

   0.29