Třída: Petromyzontida - mihule
Řád: Petromyzontiformes - mihulotvaří
Čeleď: Petromyzontidae - mihulovití

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.