Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
     Class Ciliata see [unranked] ciliates
       Order Suctoria
         1 Genus [Choanophrya] Hartog, 1902
         2 Genus [Tachyblaston] Martin, 1909
         3 Genus [Ephelota] Wright, 1858
         4 Genus [Dendrocometes] Stein, 1852