Kingdom Animalia Linnaeus, 1758 - animals Phylum Craniata Linnaeus, 1758 see Subphylum Craniata auct. Pisces Class Elasmobranchii Bonaparte, 1838 see Infraclass Elasmobranchii Bonaparte, 1838 Order Carcharhiniformes Compagno, 1973 - ground sharks Family Leptochariidae Gray, 1851 - barbeled houndsharks