†Chitinozoa Eisenack, 1931 - chitinozoans Order †Prosomatifera Eisenack, 1972 Family †Lagenochitinidae Eisenack, 1931 Subfamily †Lagenochitininae Eisenack, 1931 1 Genus †Lagenochitina Eisenack, 1931 2 Genus †Saharochitina Paris & Grahn, 1999 3 Genus †Sphaerochitina Eisenack,1955