living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryotae see Superkingdom Prokarya
     Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990 stat. inval.
       Division Bacteria Murray 1974 nom. vernac. see Domain Bacteria Woese et al. 1990 stat. inval.
         "Gram-negative aerobic rods and cocci"
           Family Methylmonadaceae see Family Methylococcaceae Whittenbury and Krieg 1984
             Genus Methylococcus Foster and Davis 1966 (Approved Lists 1980)