Kingdom [Animalia] Linnaeus, 1758 - animals Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818 Class Ciliata see [unranked] ciliates Order Holotricha Suborder Hymenostomata Genus Paramaecium Müller, 1773 see Genus Paramecium Müller, 1773 1 Paramaecium aurelia Müller, 1773 see Paramecium aurelia O.F. Müller, 1773 2 Paramaecium bursaria see Paramecium bursaria (Ehr.) 3 Paramaecium caudatum see Paramecium caudatum Ehrenberg, 1838