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.
         "Rickettsias" see Order Rickettsiales Gieszczykiewicz 1939 (Approved Lists 1980)
           Order Rickettsiales Gieszczykiewicz 1939 (Approved Lists 1980)
             Family Bartonellaceae Gieszczykiewicz 1939 (Approved Lists 1980)
               1 Genus Bartonella Strong et al. 1915 (Approved Lists 1980)
               2 Genus Grahamella (ex Brumpt 1911) Ristic and Kreier 1984 see Genus Bartonella Strong et al. 1915 (Approved Lists 1980)