Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Craniata auct. see Subphylum Vertebrata Cuvier, 1812
       Vertebrata (Lamarck, 1801) - vertebrates see Subphylum Vertebrata Cuvier, 1812
         Myopterygii - myopterygians
           Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
             Grade Teleostomi Bonaparte, 1836
               Euteleostomi - bony vertebrates
                 Class Actinopterygii Woodward, 1891 - ray-finned fishes
                   Subclass Neopterygii Regan, 1923
                     Division Teleostei Müller, 1845 see Infraclass Teleostei Müller, 1845
                       Elopocephala see Supercohort Teleocephala de Pinna, 1996
                         Subdivision Elopomorpha Greenwood et al., 1966 see Cohort Elopomorpha Greenwood et al., 1966
                           Order Anguilliformes Rafinesque, 1810 - eels
                             Suborder Muraenoidei Rafinesque, 1810
                               Family Muraenidae Rafinesque, 1815 - morays
                                 Subfamily Muraeninae
                                   01 Genus Echidna Forster, 1788
                                   02 Genus Enchelycore Kaup, 1856
                                   03 Genus Enchelynassa Kaup, 1855
                                   04 Genus Gymnomuraena Lacepède, 1803
                                   05 Genus Gymnothorax Bloch, 1795
                                   06 Genus Monopenchelys Böhlke & McCosker, 1982
                                   07 Genus Muraena Linnaeus, 1758
                                   08 Genus Rhinomuraena Garman, 1888
                                   09 Genus Siderea Kaup, 1856
                                   10 Genus Strophidon McClelland, 1844
                                   11 Genus Thyrsoidea Kaup, 1856