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
Suborder Tubulina
see Order Tubulinida Smirnov et al., 2005
Family Amoebidae Ehrenberg, 1838
Genus Chaos Linnaeus, 1767