†Chitinozoa Eisenack, 1931 - chitinozoans Order †Prosomatifera Eisenack, 1972 Family †Conochitinidae Eisenack, 1931 Subfamily †Belonechitininae Paris, 1981 Genus †Acanthochitina Eisenack, 1931 1 †Acanthochitina barbata Eisenack, 1931