Domain Bacteria Woese et al. 1990
Count: [*] *
   Phylum Proteobacteria Garrity and Holt 2001 see Phylum Proteobacteria Garrity et al. 2005
  Count: [*] *
     Class "Epsilonproteobacteria" nom. inval. see Class Epsilonproteobacteria Garrity et al. 2006
    Count: [*] *
       Order "Campylobacterales" nom. inval. see Order Campylobacterales Garrity et al. 2006
      Count: [*] *
         Family Campylobacteraceae Vandamme and De Ley 1991
        Count: -
           Genus Arcobacter Vandamme et al. 1991
          Count: -