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 Methylophilales Garrity et al. 2006 [monotypic]
                     Family Methylophilaceaeᵀ Garrity et al. 2006
                       Genus Methylophilusᵀ Jenkins et al. 1987
                         1 Methylophilus methylotrophusᵀ Jenkins et al. 1987
                         2 Methylophilus flavus Gogleva et al. 2010
                         3 Methylophilus glucosoxydans Doronina et al. 2012
                         4 Methylophilus leisingeri corrig. Doronina and Trotsenko 2001
                         5 Methylophilus luteus Gogleva et al. 2010
                         6 Methylophilus rhizosphaerae Madhaiyan et al. 2009