Chordata Bateson, 1885 - chordates
   Class Pisces Linnaeus, 1758 see Superclass Pisces Linnaeus, 1758
     Subclass Actinopteri Cope, 1871 see Class Actinopteri Cope, 1871
       Superorder Ganoidei (Agassiz)
         Order †Pycnodonti see Order Pycnodontiformes Berg, 1937
           [Family †Sphoerodontidae] see Family Semionotidae Woodward, 1890, "nom. praeval."