organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990 Phylum Omnibacteria Margulis and Schwartz 1982 see Domain Bacteria Woese et al. 1990 Genus Aerobacter Genus Agrobacterium Conn 1942 (Approved Lists 1980) see Genus Rhizobium Frank 1889 (Approved Lists 1980) Genus Alcaligenes Castellani and Chalmers 1919 (Approved Lists 1980) Genus Alginobacter Genus Brucella Meyer and Shaw 1920 (Approved Lists 1980) Genus Coxiella (Philip 1943) Philip 1948 (Approved Lists 1980) Genus Hafnia Møller 1954 (Approved Lists 1980) Genus Leptothrix Kützing 1843 (Approved Lists 1980) Genus Neorickettsia Philip et al. 1953 (Approved Lists 1980) Genus Noguchia Genus Paracolobactrum Genus Rickettsiella Philip 1956 (Approved Lists 1980) 1 Class Enterobacteria see Order Enterobacteriales Garrity and Holt 2001 nom. nud. 2 Class "Prosthecate Bacteria" see Order Caulobacterales Henrici and Johnson 1935 (Approved Lists 1980) 3 Class "Budding Bacteria" see Family Hyphomicrobiaceae Babudieri 1950 (Approved Lists 1980) 4 Class "Aggregated Bacteria" see Order Burkholderiales 5 Class "Parasitic, Nonflagellated Bacteria" see Order Neisseriales 6 Class "Acetic-Acid Bacteria" see Family Acetobacteraceae (ex Henrici 1939) Gillis and De Ley 1980 7 Class "Rickettsias and Chlamydias"