Kingdom [Animalia] Linnaeus, 1758 - animals Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818 Class Flagellata see Subphylum Mastigophora Diesing, 1866 Order Polymastigina Blochmann Family Hypermastigidae Genus [Microspironympha] Koidzumi, 1921 see Genus Spironympha Koidzumi, 1917 Microspironympha porferi