Chordata Bateson, 1885 - chordates
   Class Pisces Linnaeus, 1758 see Superclass Pisces Linnaeus, 1758
     Subclass Actinopteri Cope, 1871 see [unranked] Actinopteri Cope, 1871
       Superorder Ganoidei (Agassiz)
         Order †Pycnodonti see Order Pycnodontiformes Berg, 1937
           Family †Pycnodontidae Agassiz, 1833