[Kingdom] Animalia Linnaeus, 1758 - animals Grade Enterozoa Grade Cœlomata Phylum Vertebrata Branch Craniata Grade Gnathostoma Subgrade Heterodactyla branchiata Class Pisces Linnaeus, 1758 see Superclass Pisces Linnaeus, 1758 Subclass Selachii see Subdivision Selachii 1 Order Squali 2 Order Raii