Jahn, Bovee, Jahn (1979). How to know the protozoa. Wm. C. Brown Company Publishers.
ISBN 0-697-04759-8. Bolivar, I., Fahrni, J.F., Smirnov, A. & Pawlowski, J. (2001). SSU rRNA-based Phylogenetic Position of the Genera Amoeba and Chaos (Lobosea, Gymnamoebia): The Origin of Gymnamoebae Revisited. Molecular Biology and Evolution 18: 2306–2314. Cavalier-Smith, T., Chao, E-Y, Oates, B. (2004). Molecular phylogeny of the Amoebozoa and evolutionary significance of the unikont Phalansterium. European Journal of Protistology 40: 21–48. Smirnov, A.V., Nassonova, E.S., Berney, C., Fahrni, J., Bolivar, I. & Pawlowski, J. (2005). Molecular phylogeny and classification of the lobose amoebae. Protist 156: 129–142.