[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 Alphaproteobacteria Garrity et al. 2006 Order Rhizobiales Kuykendall 2006 Family Beijerinckiaceae Garrity et al. 2006 Genus Methylocella Dedysh et al. 2000 Methylocella tundrae Dedysh et al. 2004