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 Congroidei (Regan, 1909)
                               Family Ophichthidae Günther, 1870 - snake eels and worm eels
                                 Subfamily Myrophinae
                                   01 Genus Benthenchelys Fowler, 1934
                                   02 Genus Ahlia Jordan & Davis, 1892
                                   03 Genus Asarcenchelys McCosker, 1985
                                   04 Genus Glenoglossa McCosker, 1982
                                   05 Genus Mixomyrophis McCosker, 1985
                                   06 Genus Muraenichthys Bleeker, 1853
                                   07 Genus Myrophis Lütken, 1852
                                   08 Genus Neenchelys Bamber, 1915
                                   09 Genus Pseudomyrophis Wade, 1946
                                   10 Genus Schismorhynchus McCosker, 1970
                                   11 Genus Schultzidia Gosline, 1951