Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
     Class Ciliata see [unranked] ciliates
       Order Holotricha
         Suborder Hymenostomata
           Genus [Colpidium] Stein, 1860
             Colpidium colpoda (Losana, 1829) Stein, 1860