Class Heterolobosea Page & Blanton, 1985
   Order Schizopyrenida Singh, 1952
     Family Vahkampfiidae see Family Vahlkampfiidae Jollos, 1917
       01 Genus Vahlkampfia Chatton & LaLung-Bonnaire, 1912
       02 Genus Paravahlkampfia S. Brown & J.F. De Jonckheere (1999)
       03 Genus Neovahlkampfia Brown & De Jonckheere, 1999
       04 Genus Heteramoeba Droop, 1962
       05 Genus Naegleria Aléxéieff, 1912
       06 Genus Willaertia De Jonckheere et al., 1984
       07 Genus Tetramitus Perty, 1852
       08 Genus Tetramastigamoeba Singh & Hanumaiah, 1977
       09 Genus Pernina Kadiri et al., 1992
       10 Genus Learamoeba T.K. Sawyer et al. (1998)
       11 Genus Singhamoeba T.K. Sawyer et al., 1992
       12 Genus Monopylocystis C.J. O'Kelly et al., 2003
       13 Genus Sawyeria O'Kelly et al., 2003
       14 Genus Psalteriomonas Broers, Stumm, Vogels & Brugerolle, 1990