Třída: Actinopterygii - paprskoploutví
Řád: Gadiformes - hrdloploutví
Čeleď: Gadidae - treskovití

Synonyma: Gadus callarias marisalbi Derjugin, 1920; Gadus callarias marsi-Albi Derjugin, 1920; Gadus callarius maris-albi Derjugin, 1920; Gadus morhua marisalbi Derjugin, 1920; Gadus morhua ogac Richardson, 1836; Gadus ogat Krøyer, 1847; Gadus ovak Reinhardt, 1837.

Jiná pojmenování: Treska ogak.

Typová lokalita: Grónsko.

Reference: Richardson, J. 1836. The Fish. In: Fauna Boreali-Americana; or the zoology of the northern parts of British America: containing descriptions of the objects of natural history collected on the late northern land expeditions, under the command of Sir John Franklin, R.N. Fauna Boreali-Americana Part 3: i-xv + 1-327, Pls. 74-97.