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 Yersinia van Loghem 1944 (Approved Lists 1980)
                         01 Yersinia aldovae Bercovier et al. 1984
                         02 Yersinia aleksiciae Sprague and Neubauer 2005
                         03 Yersinia bercovieri Wauters et al. 1988
                         04 Yersinia enterocolitica (Schleifstein and Coleman 1939) Frederiksen 1964 (Approved Lists 1980)
                         05 Yersinia frederiksenii Ursing et al. 1981
                         06 Yersinia intermedia Brenner et al. 1981
                         07 Yersinia kristensenii Bercovier et al. 1981
                         08 Yersinia massiliensis Merhej et al. 2008
                         09 Yersinia mollaretii Wauters et al. 1988
                         10 Yersinia pestisᵀ (Lehmann and Neumann 1896) van Loghem 1944 (Approved Lists 1980)
                         11 Yersinia pseudotuberculosis (Pfeiffer 1889) Smith and Thal 1965 (Approved Lists 1980)
                         12 Yersinia rohdei Aleksic et al. 1987
                         13 Yersinia ruckeri Ewing et al. 1978 (Approved Lists 1980)
                         14 Yersinia similis Sprague et al. 2008