Domain Bacteria Woese et al. 1990
   Phylum Proteobacteria Garrity and Holt 2001 see Phylum Proteobacteria Garrity et al. 2005
     Class "Gammaproteobacteria" nom. inval. see Class Gammaproteobacteria Garrity et al. 2005
       Order "Pasteurellales" see Order Pasteurellales Garrity et al. 2005
         Family Pasteurellaceae Pohl 1981
           Genus Pasteurella Trevisan 1887 (Approved Lists 1980)