†Chitinozoa Eisenack, 1931 - chitinozoans Order †Prosomatifera Eisenack, 1972 Family †Lagenochitinidae Eisenack, 1931 Subfamily †Ancyrochitininae Paris, 1981 Genus †Ancyrochitina Eisenack, 1955 1 †[Ancyrochitina ancyrea] (Eisenack, 1931)