Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
     Class Ciliata see [unranked] ciliates
       Order Holotricha
         1 Suborder Gymnostomata
         2 Suborder Trichostomata
         3 Suborder Hymenostomata
         4 Suborder Astomata