Moreira D, von der Heyden S, Bass D, López-García P, Chao E, Cavalier-Smith T«Global eukaryote phylogeny: Combined small- and large-subunit ribosomal DNA trees support monophyly of Rhizaria, Retaria and Excavata».Mol. Phylogenet. Evol.,44,1,juliol 2007,p.255–66. DOI: 10.1016/j.ympev.2006.11.001. PMID: 17174576.
Moreira D, von der Heyden S, Bass D, López-García P, Chao E, Cavalier-Smith T«Global eukaryote phylogeny: Combined small- and large-subunit ribosomal DNA trees support monophyly of Rhizaria, Retaria and Excavata».Mol. Phylogenet. Evol.,44,1,juliol 2007,p.255–66. DOI: 10.1016/j.ympev.2006.11.001. PMID: 17174576.