†Chitinozoa Eisenack, 1931 - chitinozoans Order †Operculatifera Eisenack, 1931 Family †Desmochitinidae Eisenack, 1931 Subfamily †Desmochitininae Eisenack, 1931 Genus †Bulbochitina Paris, 1981 1 †Bulbochitina bulbosa Paris, 1981