†Placodermi McCoy, 1848 †Arthrodira Woodward, 1891 †Brachythoraci Gross, 1932 †Eubrachythoraci Miles, 1971 †Coccosteomorphi Stensiö, 1944 Family †Camuropiscidae Dennis & Miles, 1979 Genus †Camuropiscis Dennis & Miles, 1979 †Camuropiscis laidlawi Long, 1990