living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryotae see Superkingdom Prokarya
     Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990
       Division Bacteria (Haeckel 1894) see Domain Bacteria Woese et al. 1990
         "Gram-negative facultatively anaerobic rods"
           Family Enterobacteriaceae Rahn 1937 (Approved Lists 1980)
             Genus Yersinia van Loghem 1944 (Approved Lists 1980)
               1 Yersinia ruckeri Ewing et al. 1978 (Approved Lists 1980)
               2 Yersinia enterocolitica (Schleifstein and Coleman 1939) Frederiksen 1964 (Approved Lists 1980)
               3 Yersinia pestis (Lehmann and Neumann 1896) van Loghem 1944 (Approved Lists 1980)