Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
     Class Ciliata see [unranked] ciliates
       Order Holotricha
         Suborder Gymnostomata
           Genus [Dileptus] Dujardin, 1840
             1 Dileptus anser (Müller, 1773) Dujardin, 1841