Arthropoda
Azyptyx Holloway, 1991
Boeckia Brögger, 1882
Ceraurinus Barton, 1913
Cerauroides Prantl & Pribyl, 1947
Ceraurus Green, 1832
Cheirurus Beyrich, 1845
Crotalocephalina Pribyl & Vanek, 1964
Crotalocephalus Salter, 1853
Deiphon Barrande, 1850
Didrepanon Lane, 1971
Eccoptochile Hawle & Corda, 1847
Forteyops Pribyl & Vanek, 1985
Hadrohybus Raymond, 1925
Heliomeroides Evitt, 1951
Hyrokybe Lane, 1972
Krattaspis Öpik, 1937
Shiqiania Chang, 1974
Sphaerocoryphe Angelin, 1854
Xystocrania Whittington, 1965
