Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum "Proteobacteria" Craig et al. 2010
               Phylum "Betaproteobacteria" Garrity et al., 2006 [monotypic]
                 Class Betaproteobacteriaᵀ Garrity et al. 2006
                   Order Burkholderiales Garrity et al. 2006
                     Genus Rivibacter Stackebrandt et al. 2009, incertae sedis
                     01 Genus Aquabacterium Kalmbach et al. 1999, incertae sedis
                     02 Genus Aquincola Lechner et al. 2007, incertae sedis [monotypic]
                     03 Genus Ideonella Malmqvist et al. 1994, incertae sedis
                     04 Genus Inhella Song et al. 2009, incertae sedis
                     05 Genus Leptothrix Kützing 1843 (Approved Lists 1980), incertae sedis
                     06.1 Genus Methylibium Nakatsu et al. 2006, incertae sedis
                     06.2 Genus Piscinibacter Stackebrandt et al. 2009, incertae sedis [monotypic]
                     07 Genus Mitsuaria Amakata et al. 2005, incertae sedis [monotypic]
                     08 Genus Paucibacter Rapala et al. 2005, incertae sedis [monotypic]
                     09 Genus Rubrivivax Willems et al. 1991, incertae sedis
                     10 Genus Sphaerotilus Kützing 1833 (Approved Lists 1980), incertae sedis [monotypic]
                     11 Genus Tepidimonas Moreira et al. 2000, incertae sedis
                     12 Genus Thiobacter Hirayama et al. 2005, incertae sedis [monotypic]
                     13 Genus Thiomonas Moreira and Amils 1997, incertae sedis
                     14 Genus Xylophilus Willems et al. 1987, incertae sedis [monotypic]
                     15 Family Burkholderiaceaeᵀ Garrity et al. 2006
                     16 Family Oxalobacteraceae Garrity et al. 2006
                     17.1 Family Alcaligenaceae De Ley et al. 1986
                     17.2 Family Sutterellaceae Morotomi et al. 2011
                     18 Family Comamonadaceae Willems et al. 1991