Phylum [Vertebrata] (Lamarck, 1801) Class Chondrichthyes Huxley, 1880 - cartilaginous fishes Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes Order Neoselachii Compagno, 1977 see Division Neoselachii Compagno, 1977 Genus †Spathobathis nom. null.