Kingdom Protoctista Hogg, 1860
Phylum Rhizopoda Dujardin, 1835 - rhizopods
see Phylum Cercozoa Cavalier-Smith, 1998
Class Lobosea (Carpenter, 1861) Cavalier-Smith, 1993
see Subphylum Lobosa Carpenter, 1861
Subclass Gymnamoebia (Haeckel, 1862) Cavalier-Smith, 1993
see [unranked] Gymnamoebae
Order Amoebida - naked lobosid amebas
see Class Amoebaea
1 Suborder Tubulina
see Order Tubulinida Smirnov et al., 2005
2 Suborder Thecina
see Order Euamoebida Lepşi, 1960
3 Suborder Flabellina Page, 1976
see [unranked] Gymnamoebae
4 Suborder Conopodina Bovee & Jahn, 1966
see Order Euamoebida Lepşi, 1960
5 Suborder Acanthopodina
see Order Acanthopodida Page, 1976
6 Genus Pneumocystis P. Delanoë & Delanoë (1912), incertae sedis
7 Genus Pansporella Chatton, 1925, incertae sedis