[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 Yersinia van Loghem 1944 (Approved Lists 1980)
               01 Yersinia pestis (Lehmann and Neumann 1896) van Loghem 1944 (Approved Lists 1980)
               02 Yersinia aldovae Bercovier et al. 1984
               03 Yersinia aleksiciae Sprague and Neubauer 2005
               04 Yersinia bercovieri Wauters et al. 1988
               05 [Yersinia enterocolitica] (Schleifstein and Coleman 1939) Frederiksen 1964 (Approved Lists 1980)
               06 Yersinia frederiksenii Ursing et al. 1981
               07 Yersinia intermedia Brenner et al. 1981
               08 Yersinia kristensenii Bercovier et al. 1981
               09 Yersinia mollaretii Wauters et al. 1988
               10 [Yersinia pseudotuberculosis] (Pfeiffer 1889) Smith and Thal 1965 (Approved Lists 1980)
               11 Yersinia rohdei Aleksic et al. 1987
               12 Yersinia ruckeri Ewing et al. 1978 (Approved Lists 1980)