David Bass, David Moreira, Purificacion Lopez-Garcıa, Stephane Polet, Ema E. Chao, Sophie von der Heyden, Jan Pawlowski, Thomas Cavalier-Smith: Polyubiquitin Insertions and the Phylogeny of Cercozoa and Rhizaria. Protist, Band 156, 2005, S. 149–161, doi:10.1016/j.protis.2005.03.001
Sergey I. Nikolaev, Cedric Berney, Jose F. Fahrni, Ignacio Bolivar, Stephane Polet, Alexander P. Mylnikov, Vladimir V. Aleshin, Nikolai B. Petrov, Jan Pawlowski: The twilight of Heliozoa and rise of Rhizaria, an emerging supergroup of amoeboid eukaryotes. PNAS, Band 101, 2004, S. 8066–8071. doi:10.1073/pnas.0308602101