Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Superclass Pisces Linnaeus, 1758 - fishes Class Crossopterygii Huxley, 1861 see Infraclass Crossopterygii Huxley, 1861 Subclass Actinistia Cope, 1872