[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 Methylophilales Garrity et al. 2006
           Family Methylophilaceae Garrity et al. 2006
             1 Genus Methylophilus Jenkins et al. 1987
             2 Genus Methylobacillus Yordy and Weaver 1977 (Approved Lists 1980)
             3 Genus Methylovorus Govorukhina and Trotsenko 1991