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 Chondrostei Müller, 1844 see Subclass Chondrostei Müller, 1844 Family †Palaeoniscidae Vogt, 1852