[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
             01 Genus Comamonas (ex Davis and Park 1962) De Vos et al. 1985
             02 Genus Acidovorax Willems et al. 1990
             03 Genus Alicycliphilus Mechichi et al. 2003
             04 Genus Brachymonas Hiraishi et al. 1995
             05 Genus Caldimonas Takeda et al. 2002
             06 Genus Curvibacter Ding and Yokota 2004
             07 Genus Delftia Wen et al. 1999
             08 Genus Diaphorobacter Khan and Hiraishi 2003
             09 Genus Giesbergeria Grabovich et al. 2006
             10 Genus Hydrogenophaga Willems et al. 1989
             11 Genus Hylemonella Spring et al. 2004
             12 Genus Lampropedia Schroeter 1886 (Approved Lists 1980)
             13 Genus Macromonas Utermöhl and Koppe 1924 (Approved Lists 1980)
             14 Genus Ottowia Spring et al. 2004
             15 Genus Malikia Spring et al. 2005
             16 Genus Polaromonas Irgens et al. 1996
             17 Genus Ramlibacter Heulin et al. 2003
             18 Genus Rhodoferax Hiraishi et al. 1992
             19 Genus Simplicispira Grabovich et al. 2006
             20 Genus Variovorax Willems et al. 1991
             21 Genus Xenophilus Blümel et al. 2001