Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Biota
           Domain Bacteria Woese et al. 1990
             Superphylum "Proteobacteria" Craig et al. 2010
               Phylum "Gammaproteobacteria" [monotypic]
                 Class Gammaproteobacteriaᵀ Garrity et al. 2005
                   Order Pseudomonadales Orla-Jensen 1921 (Approved Lists 1980)
                     Family Moraxellaceae Rossau et al. 1991
                       Genus Acinetobacter Brisou and Prévot 1954 (Approved Lists 1980)
                         Acinetobacter haemolyticus (ex Stenzel and Mannheim 1963) Bouvet and Grimont 1986