Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum "Proteobacteria" Craig et al. 2010
               Phylum "Alphaproteobacteria" Garrity et al., 2006 [monotypic]
                 Class Alphaproteobacteriaᵀ Garrity et al. 2006
                   Order Rhizobiales Kuykendall 2006
                     Family Bartonellaceae Gieszczykiewicz 1939 (Approved Lists 1980) [monotypic]
                       Genus Bartonellaᵀ Strong et al. 1915 (Approved Lists 1980)
                         01 Bartonella acomydis Sato et al. 2013
                         02 Bartonella alsatica Heller et al. 1999
                         03 Bartonella bacilliformis (Strong et al. 1913) Strong et al. 1915 (Approved Lists 1980)
                         04 Bartonella birtlesii Bermond et al. 2000
                         05 Bartonella bovis Bermond et al. 2002
                         06 Bartonella callosciuri Sato et al. 2013
                         07 Bartonella capreoli Bermond et al. 2002
                         08 Bartonella chomelii Maillard et al. 2004
                         09 Bartonella clarridgeiae Lawson and Collins 1996
                         10 Bartonella coopersplainsensis Gundi et al. 2009
                         11 Bartonella doshiae Birtles et al. 1995
                         12 Bartonella florencae Mediannikov et al. 2014
                         13 Bartonella grahamii Birtles et al. 1995
                         14 Bartonella jaculi Sato et al. 2013
                         15 Bartonella japonica Inoue et al. 2010
                         16 Bartonella koehlerae Droz et al. 2000
                         17 Bartonella pachyuromydis Sato et al. 2013
                         18.1 Bartonella peromysci (Ristic and Kreier 1984) Birtles et al. 1995
                         18.2 Bartonella talpae (Ristic and Kreier 1984) Birtles et al. 1995
                         19 Bartonella queenslandensis Gundi et al. 2009
                         20.1 Bartonella quintana (Schmincke 1917) Brenner et al. 1993
                         20.2.1 Bartonella elizabethae (Daly et al. 1993) Brenner et al. 1993
                         20.2.2 Bartonella tribocorum Heller et al. 1998
                         20.3 Bartonella henselae (Regnery et al. 1992) Brenner et al. 1993
                         20.4 Bartonella vinsonii (Weiss and Dasch 1982) Brenner et al. 1993
                         21 Bartonella rattaustraliani Gundi et al. 2009
                         22 Bartonella rochalimae Eremeeva et al. 2012
                         23 Bartonella schoenbuchensis corrig. Dehio et al. 2001
                         24 Bartonella senegalensis Mediannikov et al. 2014
                         25 Bartonella silvatica Inoue et al. 2010
                         26 Bartonella taylorii Birtles et al. 1995