[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Osteichthyes Huxley, 1880 - bony fishes and tetrapods see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
       Order Anguilliformes Berg, 1943 - eels
         Family Anguillidae Rafinesque, 1810 - freshwater eels
           Genus Anguilla Schrank, 1798 - freshwater eels
             1 Anguilla anguilla (Linnaeus, 1758) - common eel