†Chitinozoa Eisenack, 1931 - chitinozoans
Order †Prosomatifera Eisenack, 1972
Family †Conochitinidae Eisenack, 1931
1 Subfamily †Conochitininae Eisenack, 1931
2 Subfamily †Eremochitininae Paris, 1981
3 Subfamily †Tanuchitininae Paris, 1981
4 Subfamily †Velatachitininae Achab, Asselin & Soufiane, 1993
5 Subfamily †Belonechitininae Paris, 1981
6 Subfamily †Pogonochitininae Paris, Grahn, Nestor & Lakova, 1999
7 Subfamily †Spinachitininae Paris, 1981