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 Moraxellaᵀ Lwoff 1939 (Approved Lists 1980)
                         Moraxella bovis (Hauduroy et al. 1937) Murray 1948 (Approved Lists 1980)