Protozoa Goldfuss, 1818 - protozoans Phylum Ciliophora Doflein, 1901 - ciliates Class Kinetofragminophorea - kinetofragminophoreans see Phylum Ciliophora Doflein, 1901 Subclass Vestibuliferia de Puytorac et al., 1974 - vestibuliferians see Order Vestibuliferida de Puytorac et al., 1974 Order Colpodida de Puytorac et al., 1974