Fig. 3

Genetic analyses among six dicrocoeliid mitogenomes. a Sliding window analysis of the alignment of 12 protein-coding genes (PCGs), 2 rRNAs and 18 coalescent tRNAs (trnE and trnG were removed as we did not obtained their sequences for our two samples). The black line represents nucleotide variation in a window of 200 bp (step size = 20 bp, with the value inserted at its mid-point). Gene boundaries are indicated by color with mean variation ratio per gene shown above each gene. b The Kimura-2-parameter distance (K2P) among 12 PCGs of dicrocoeliid mitogenomes. The highest and lowest Pi values and K2P distance are indicated by red and blue color, respectively