[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 Perciformes Rafinesque, 1810 - perches
         Family Zoarcidae - eelpouts
           Genus Zoarces Cuvier & Valenciennes, 1836
             1 Zoarces viviparus (C. Linnaeus, 1758) - viviporous eelpout