[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 Bartonellaceae Gieszczykiewicz 1939 (Approved Lists 1980)
             Genus Bartonella Strong et al. 1915 (Approved Lists 1980)
               [Bartonella vinsonii] (Weiss and Dasch 1982) Brenner et al. 1993
                 1 Bartonella vinsonii subsp. vinsoniiᵀ (Weiss and Dasch 1982) Kordick et al. 1996
                 2 Bartonella vinsonii subsp. arupensis Welch et al. 2000
                 3 Bartonella vinsonii subsp. berkhoffii Kordick et al. 1996