prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010
       Class Gammaproteobacteria Garrity et al. 2005
         Order Pseudomonadales Orla-Jensen 1921 (Approved Lists 1980)
           Family Moraxellaceae Rossau et al. 1991
             1 Genus Acinetobacter Brisou and Prévot 1954 (Approved Lists 1980)
             2 Genus Alkanindiges Bogan et al. 2003
             3 Genus Branhamella Catlin 1970 (Approved Lists 1980) see Genus Moraxella Lwoff 1939 (Approved Lists 1980)
             4 Genus Enhydrobacter Staley et al. 1987
             5 Genus Faucicola Humphreys et al. 2015
             6 Genus Moraxella Lwoff 1939 (Approved Lists 1980)
             7 Genus Paraperlucidibaca Oh et al. 2011
             8 Genus Perlucidibaca Song et al. 2008
             9 Genus Psychrobacter Juni and Heym 1986