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
           1 Genus [Halteria] Dujardin, 1841
           2 Family Tintinnidae Claparède & Lachmann, 1858