†Chitinozoa Eisenack, 1931 - chitinozoans Order †Operculatifera Eisenack, 1931 Family †Desmochitinidae Eisenack, 1931 Subfamily †Desmochitininae Eisenack, 1931 Genus †Ollachitina Poumot, 1968 1 †Ollachitina ingens Poumot, 1968