The entire mt genome of Ogmocotyle sikae is 14,307 bp.
It contains 12 genes for protein, 2 genes for rRNA and 22 genes for tRNA.
The nucleotide difference between O. sikae and P. leydeni mt genomes is 32.61%.
Notocotylidae flukes are closely related to Paramphistomidae spp.
Ogmocotyle mt genome sequences provide novel genetic markers for further studies.