[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   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 "Enterobacteriales" Garrity and Holt 2001 nom. nud.
           Family Enterobacteriaceae Rahn 1937 (Approved Lists 1980)
             Genus Serratia Bizio 1823 (Approved Lists 1980)
               01 [Serratia marcescens] Bizio 1823 (Approved Lists 1980)
               02 Serratia entomophila Grimont et al. 1988
               03 Serratia ficaria Grimont et al. 1981
               04 Serratia fonticola Gavini et al. 1979 (Approved Lists 1980)
               05 Serratia grimesii Grimont et al. 1983
               06 Serratia liquefaciens (Grimes and Hennerty 1931) Bascomb et al. 1971 (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 [Serratia proteamaculans] (Paine and Stansfield 1919) Grimont et al. 1978 (Approved Lists 1980)
               10 Serratia quinivorans corrig. (Grimont et al. 1983) Ashelford et al. 2002
               11 Serratia rubidaea (Stapp 1940) Ewing et al. 1973 (Approved Lists 1980)
               12 Serratia ureilytica Bhadra et al. 2005