Kingdom Protozoa Goldfuss, 1818 - protozoa
Count: -
   Subkingdom Neozoa Cavalier-Smith, 1993 see Kingdom Protozoa Goldfuss, 1818
  Count: -
     Infrakingdom Neomonada Cavalier-Smith, 1997
    Count: -
       Phylum Neomonada Cavalier-Smith, 1997
      Count: -
         Subphylum Mesomycetozoa Herr, Ajello, Taylor, Arseculeratne & Mendoza, 1999
        Count: -
           Class Mesomycetozoea Ajello & Mendoza, 2000 see Class Ichthyosporea Cavalier-Smith, 1998
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             Order Ichthyophonida Cavalier-Smith, 1998
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               1 Genus Amoebidium Cienk. (1861) see Genus Amoebidium Cienkowski, 1861
              Count: -
               2 Genus Anurofeca Baker, Beebee & Ragan, 1999
              Count: 1s
               3 Genus Ichthyophonus Plehn & Mulsow, 1911
              Count: -
               4 Genus Pseudoperkinsus Figueras et al., 2000 see Genus Sphaeroforma Jøstensen et al., 2002
              Count: 1s
               5 Genus Psorospermium Hilgendorf, 1883, nom. illeg. see Genus Psorospermis Cavalier-Smith, 2012
              Count: 1s
               6 Genus Sphaerosoma J.P. Jøstensen et al., nom. illeg. see Genus Sphaeroforma Jøstensen et al., 2002
              Count: 1s