Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum "Proteobacteria" Craig et al. 2010
               Phylum "Gammaproteobacteria" Garrity et al., 2005 [monotypic]
                 Class Gammaproteobacteriaᵀ Garrity et al. 2005
                   Order "Enterobacteriales" Garrity and Holt 2001 nom. nud. [monotypic]
                     Family Enterobacteriaceaeᵀ Rahn 1937 (Approved Lists 1980)
                       Genus Serratia Bizio 1823 (Approved Lists 1980)
                         01 Serratia entomophila Grimont et al. 1988
                         02 Serratia ficaria Grimont et al. 1981
                         03 Serratia fonticola Gavini et al. 1979 (Approved Lists 1980)
                         04 Serratia grimesii Grimont et al. 1983
                         05 Serratia liquefaciens (Grimes and Hennerty 1931) Bascomb et al. 1971 (Approved Lists 1980)
                         06 Serratia marcescensᵀ Bizio 1823 (Approved Lists 1980)
                         07 Serratia odorifera Grimont et al. 1978 (Approved Lists 1980)
                         08 Serratia plymuthica (Lehmann and Neumann 1896) Breed et al. 1948 (Approved Lists 1980)
                         09.1 Serratia proteamaculans (Paine and Stansfield 1919) Grimont et al. 1978 (Approved Lists 1980)
                         09.2 Serratia quinivorans corrig. (Grimont et al. 1983) Ashelford et al. 2002
                         10 Serratia rubidaea (Stapp 1940) Ewing et al. 1973 (Approved Lists 1980)
                         11 Serratia ureilytica Bhadra et al. 2005