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 †Semionotidae Woodward, 1890