Kingdom Animalia Linnaeus, 1758 - animals Phylum Craniata Linnaeus, 1758 see Subphylum Vertebrata Cuvier, 1812 Pisces Class Elasmobranchii Bonaparte, 1838 see Subclass Elasmobranchii Bonaparte, 1838 Order Carcharhiniformes Compagno, 1973 - ground sharks Family Proscylliidae Fowler, 1941 - finback catsharks