†Chitinozoa Eisenack, 1931 - chitinozoans Order †Operculatifera Eisenack, 1931 Family †Desmochitinidae Eisenack, 1931 Subfamily †Orbichitininae Achab, Asselin & Soufiane, 1993 Genus †Orbichitina Achab, Asselin & Soufiane, 1993 1 †Orbichitina vulpina Achab et al., 1993