Chordata Bateson, 1885 - chordates Count: - Class Pisces Linnaeus, 1758 see Superclass Pisces Linnaeus, 1758 Count: - 1 Subclass Crossopterygii Huxley, 1861 see Infraclass Crossopterygii Huxley, 1861 Count: - 2 Subclass Actinopteri Cope, 1871 see [unranked] Actinopteri Cope, 1871 Count: -