Kingdom Protozoa Goldfuss, 1818 - protozoa
Count: [p] 13p;21c;9o;1f;46g;29s
   Subkingdom Corticata Lankester, 1878 see Subkingdom Biciliata
  Count: [p] 7p;3c;2o;22g;14s
     Infrakingdom Excavata T. Cavalier-Smith, 2002 see Supergroup Excavata Cavalier-Smith, 2002
    Count: -
       Superphylum Discicristata Cavalier-Smith, 1998
      Count: [p] 2p;1c;8g;6s
         Phylum Percolozoa Cavalier-Smith, 1992
        Count: -
           Genus Naegleria Aléxéieff, 1912
          Count: 1s
             Naegleria gruberi (Schardinger, 1899)
            Count: -