†Chitinozoa Eisenack, 1931 - chitinozoans Order †Prosomatifera Eisenack, 1972 Family †Lagenochitinidae Eisenack, 1931 Subfamily †Cyathochitininae Paris, 1981 Genus †Sagenachitina Jenkins, 1970 1 †[Sagenachitina oblonga] (Benoit & Taugourdeau, 1961)