Ya
, Yangia , Yania
Ye
, Yeosuana
Yersinia van Loghem, 1944
- Yersinia aldovae Bercovier et al., 1984
- Yersinia aleksiciae Sprague and Neubauer, 2005
- Yersinia bercovieri Wauters et al., 1988
- Yersinia enterocolitica (Schleifstein and Coleman, 1939)
- Yersinia enterocolitica enterocolitica (Schleifstein and Coleman, 1939) Frederiksen, 1964
- Yersinia enterocolitica palearctica Neubauer et al., 2000
- Yersinia entomophaga Hurst et al., 2011
- Yersinia frederiksenii Ursing et al., 1981
- Yersinia intermedia Brenner et al., 1981
- Yersinia kristensenii Bercovier et al., 1981
- Yersinia massiliensis Merhej et al., 2008 emend. Souza et al., 2011
- Yersinia mollaretii Wauters et al., 1988
- Yersinia nurmii Murros-Kontiainen et al., 2011
- Yersinia pekkanenii Murros-Kontiainen et al., 2011
- Yersinia pestis (Lehmann and Neumann, 1896) van Loghem, 1944
- Yersinia pseudotuberculosis (Pfeiffer, 1889) Smith and Thal, 1965
- Yersinia rohdei Aleksic et al., 1987
- Yersinia ruckeri Ewing et al., 1978
- Yersinia similis Sprague et al., 2008
Bacteria → Proteobacteria → Gammaproteobacteria → Enterobacteriales → Enterobacteriaceae
Yo
, Yokenella