Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
     Class Ciliata see [unranked] ciliates
       Order Spirotricha
         Suborder Oligotricha Bütschli, 1889
           Genus [Halteria] Dujardin, 1841
             Halteria grandinella (O.F. Müller, 1773) Dujardin, 1841