[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 Anguilliformes Rafinesque, 1810 - eels
         Family Synaphobranchidae Johnson, 1862 - cutthroat eels
           1 Genus Dysomma Alcock, 1889
           2 Genus Ilyophis Gilbert, 1891
           3 Genus Haptenchelys Robins & Martin, 1976
           4 Genus Histiobranchus Gill, 1883
           5 Genus Synaphobranchus Johnson, 1862
           6 Genus Simenchelys Gill, 1879