Kingdom Protista (Haeckel, 1866) - protists Phylum Sarcomastigophora Honigberg & Balamuth, 1963 Subphylum Mastigophora Diesing, 1866 - flagellates Class Zoomastigophorea - "animal-like" flagellates see Phylum Zoomastigina Order Hypermastigida Grassi, 1911 - hypermastigids see Class Hypermastigia Genus Eucomonympha Cleveland, Hall, Sanders & Collier, 1934 Genus Trichonympha Leidy, 1877