[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 Gymnelus Reinhardt, 1832-1833[1833]
             1 Gymnelus retrodorsalis Le Danois, 1913
             2 Gymnelus viridis (Fabricius, 1780) - fish doctor