Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
[crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Clade "neomura" Cavalier-Smith 1987
Domain Eukaryota Chatton, 1925 - eukaryotes
Clade neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
Phylum Percolozoa Cavalier-Smith, 1991 [coordinate rank]
Subphylum Tetramitiaᵀ Cavalier-Smith, 1993
Superclass Striatorhiza Cavalier-Smith, 1993
Class Heterolobosea Page & Blanton, 1985
Order Schizopyrenida Singh, 1952 [monotypic]
Family Vahlkampfiidae Jollos, 1917
Genus Adelphamoeba J. Napolitano et al., 1970
Genus Didascalus B.N. Singh, 1952
Genus Paratetramitus J.F. Darbyshire et al., 1976
Genus Pseudovahlkampfia Sawyer, 1980
Genus Trimastigamoeba Whitmore, 1911
01 Genus Vahlkampfiaᵀ Chatton & LaLung-Bonnaire, 1912
02 Genus Paravahlkampfia S. Brown & J.F. De Jonckheere (1999)
03 Genus Neovahlkampfia S. Brown & J.F. De Jonckheere (1999)
04 Genus Heteramoeba Droop, 1962
05 Genus Naegleria A. Aléxéieff, 1912
06 Genus Willaertia J.F. De Jonckheere et al., 1984
07 Genus Tetramitus Perty, 1852
08 Genus Tetramastigamoeba Singh & Hanumaiah, 1977 [monotypic]
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 C.J. O'Kelly et al., 2003