Kingdom [Animalia] Linnaeus, 1758 - animals Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818 Class Ciliata see [unranked] ciliates Order Peritricha Stein, 1859 Suborder Sessilia Kahl, 1933 Genus [Ophrydium] Bory de St. Vincent, 1827 Ophrydium versatile (O.F. Müller, 1786) Bory, 1824