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 Aeromonadales Martin-Carnahan and Joseph 2005
           Family Aeromonadaceae Colwell et al. 1986
             1 Genus Aeromonas Stanier 1943 (Approved Lists 1980)
             2 Genus Oceanimonas corrig. Brown et al. 2001
             3 Genus Oceanisphaera Romanenko et al. 2003
             4 Genus Tolumonas Fischer-Romero et al. 1996
             5 Genus Zobellella Lin and Shieh 2006