†Chitinozoa Eisenack, 1931 - chitinozoans Order †Prosomatifera Eisenack, 1972 Family †Lagenochitinidae Eisenack, 1931 Subfamily †Angochitininae Paris, 1981 Genus †Gotlandochitina Laufeld, 1974 see Genus Ramochitina Sommer & van Boekel, 1964