Micah Dunthorn, Wilhelm Foissner, Laura A. Katz. Molecular phylogenetic analysis of class Colpodea (phylum Ciliophora) using broad taxon sampling. Molecular Phylogenetics and Evolution 46 (2008) 316–327 Arquivado 24 de setembro de 2015 en Wayback Machine.
Micah Dunthorn, Wilhelm Foissner, Laura A. Katz. Molecular phylogenetic analysis of class Colpodea (phylum Ciliophora) using broad taxon sampling. Molecular Phylogenetics and Evolution 46 (2008) 316–327 Arquivado 24 de setembro de 2015 en Wayback Machine.