Kingdom Protozoa Goldfuss, 1818 - protozoa
Status: extant
   Subkingdom Corticata Lankester, 1878 see Subkingdom Biciliata
  Status: extant
     Infrakingdom Excavata T. Cavalier-Smith, 2002 see Supergroup Excavata Cavalier-Smith, 2002
    Status: extant
       Superphylum Eozoa Cavalier-Smith, 1997 see Infrakingdom Eozoa Cavalier-Smith, 1997
      Status: extant
         Phylum Loukozoa Cavalier-Smith, 1999
        Status: extant
           Class Jakobea Cavalier-Smith, 1997
          Status: extant
             Order Jakobida Cavalier-Smith, 1993
            Status: extant
               Family Jakobidae Patterson, 1990
              Status: extant
                 1 Genus Jakoba Patterson, 1990
                Status: extant