The mitochondrial genome of O. a. aterrimus. Arrows indicate the direction of genes. Abbreviations of the gene name are as follows: nad1-4 and nad4L act as nicotinamide adenine dinucleotide hydrogen dehydrogenase subunits 1-6 and 4L; cox1, cox2, and cox3 act as the cytochrome C oxidase subunits; cytb act as cytochrome b; atp8 and atp6 act as adenosine triphosphate synthase subunits 6 and 8; rrnL and rrnS act as large and small rRNA subunits; In addition, CR indicates control region and NCR indicates non-coding region.