[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010
       Class Betaproteobacteria Garrity et al. 2006
         Order Burkholderiales Garrity et al. 2006
           Family Comamonadaceae Willems et al. 1991
             Genus Comamonas (ex Davis and Park 1962) De Vos et al. 1985
               1 Comamonas terrigena (ex Hugh 1962) De Vos et al. 1985
               2 Comamonas aquatica (Hylemon et al. 1973) Wauters et al. 2003
               3 Comamonas badia Tago and Yokota 2005
               4 Comamonas denitrificans Gumaelius et al. 2001
               5 Comamonas kerstersii Wauters et al. 2003
               6 Comamonas koreensis Chang et al. 2002
               7 Comamonas nitrativorans Etchebehere et al. 2001
               8 Comamonas testosteroni (Marcus and Talalay 1956) Tamaoka et al. 1987