Chordata Bateson, 1885 - chordates
   Class Pisces Linnaeus, 1758 see Superclass Pisces Linnaeus, 1758
     Subclass Actinopteri Cope, 1871 see [unranked] Actinopteri Cope, 1871
       Order Isospondyli Cope, 1887 see Order Osteoglossiformes Berg, 1940
         Suborder Notopteroidei [monotypic]
           160 Family Notopteridae Bleeker, 1851 - knifefishes