†Chitinozoa Eisenack, 1931 - chitinozoans Order †Prosomatifera Eisenack, 1972 Family †Lagenochitinidae Eisenack, 1931 Subfamily †Ancyrochitininae Paris, 1981 Genus †Plectochitina Cramer, 1964 1 †Plectochitina carminae Cramer, 1964