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 Thiomonas Moreira and Amils 1997, incertae sedis
                       1 Thiomonas cuprina Moreira and Amils 1997
                       2 Thiomonas delicata (Katayama-Fujimura et al. 1984) Kelly and Wood 2006
                       3 Thiomonas intermedia (London 1963) Moreira and Amils 1997
                       4 Thiomonas perometabolis (London and Rittenberg 1967) Moreira and Amils 1997
                       5 Thiomonas thermosulfata (Shooner et al. 1996) Moreira and Amils 1997