Vertebrata Cuvier, 1812 - vertebrates Gnathostomata Class Chondrichthyes Huxley, 1880 - cartilaginous fishes Subclass Holocephali Bonaparte, 1832 Suborder †Myriacanthoidei Patterson, 1965 Family †Acanthorhinidae Patterson, 1965 see Family Myriacanthidae Woodward, 1889