Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
     Class Ciliata see [unranked] ciliates
       Order Suctoria
         Genus [Choanophrya] Hartog, 1902
           Choanophrya infundibulifera (Hartog, 1881) Hartog, 1902