Procaryotic Genera
Count: [*] 25p;39c;84o;215f;1008g [28 May 2016]
   Domain "Bacteria" Woese et al. 1990
  Count: [*] 23p;31c;72o;194f;935g [28 May 2016]
     Phylum Proteobacteria Garrity and Holt 2001 see Phylum Proteobacteria Garrity et al. 2005
    Count: [*] 5c;34o;72f;430g [27 May 2016]
       1 Class "Alphaproteobacteria" Garrity and Holt 2001 nom. nud. see Class Alphaproteobacteria Garrity et al. 2006
      Count: [*] 6o;18f;133g [27 May 2016]
       2 Class "Betaproteobacteria" Garrity et al. 2001 nom. ined. see Class Betaproteobacteria Garrity et al. 2006
      Count: [*] 6o;12f;67g [27 May 2016]
       3 Class "Gammaproteobacteria" nom. inval. see Class Gammaproteobacteria Garrity et al. 2005
      Count: [*] 14o;22f;169g [27 May 2016]
       4 Class "Deltaproteobacteria" Garrity et al. 2001 nom. ined. see Class Deltaproteobacteria Kuever et al. 2006
      Count: [*] 7o;18f;55g [27 May 2016]
       5 Class "Epsilonproteobacteria" nom. inval. [monotypic] see Class Epsilonproteobacteria Garrity et al. 2006
      Count: [*] 1o;2f;6g [27 May 2016]