Kingdom [Animalia] Linnaeus, 1758 - animals Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818 Class Ciliata see [unranked] ciliates Order Peritricha Stein, 1859 Suborder Mobilia Genus [Trichodina] Ehrenberg, [1830] Trichodina domerguei Wallengren, 1897