Ctenostomatida Busk, 1852
Arachnidia Hincks, 1859
Arachnidium Hincks, 1877
Arachnoidea J. Moore, 1903
Arachnoidella d'Hondt, 1983
Arachnoidia Moore, 1903
Cryptoarachnidium Jebram, 1973
Franzenella d'Hondt, 1983
Parachnoidea d'Hondt, 1979
