Order Euamoebida Lepşi 1960, emend. Smirnov et al. 2011
Naked amoebae with tubular, subcylindrical pseudopodia (or the entire cell is monopodial and subcylindrical); no alteration of the locomotive form; no adhesive uroidal structures; sorocarpic development in some species
Suborder Amoebina Cavalier-Smith, 2016
- Family Amoebidae (Ehrenberg, 1838) Page, 1987
- Family Hartmannellidae Volkonsky, 1931 em. Smirnov et al., 2011
Suborder Nolandina Cavalier-Smith, 2016
- Family Nolandellidae Cavalier-Smith in Smirnov et al., 2011
The diagrams below show the three morphotypes of locomotive forms of Amoebina:

From: Smirnov et al. (2011), A Revised Classification of Naked Lobose Amoebae
An excellent guide to the morphology and indentification of naked amoebae is: Smirnov, A. V., Brown, S. (2004): Guide to the study and identification of soil amoebae. Protistology 3:148–190.