[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Proteobacteria" Garrity et al. 2005 stat. inval. see Phylum Pseudomonadota Garrity et al. 2021
       Class Gammaproteobacteria Garrity et al. 2005
         Order Aeromonadales Martin-Carnahan and Joseph 2005
           Family Aeromonadaceae Colwell et al. 1986
             Genus Aeromonas Stanier 1943 nom. cons. (Approved Lists 1980)
               [Aeromonas hydrophila] (Chester 1901) Stanier 1943 (Approved Lists 1980)
                 Aeromonas hydrophila subsp. anaerogenes Schubert 1964 (Approved Lists 1980)