O.<unk>  has 12 (six pairs) of chromosomes, i.e. 2n = 12. The draft genome and transcriptomes were published in 2014. Its genome is 634.5 Mb in size. The species has 16,379 protein-coding genes.
Opisthorchis viverrini
Echinostoma cinetorchis
Opisthorchis felineus
Schistosoma japonicum
Haplorchis taichui
Taenia asiatica
Taenia solium
Echinostoma revolutum