[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi
       Order Scorpaeniformes Bloch, 1789 - mail-cheeked fishes
         Family Cottidae Bonaparte, 1832 - sculpins
           Genus Icelus Krøyer, 1845
             Icelus bicornis (Reinhardt, 1840) - twohorn sculpin