[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Proteobacteria" Garrity et al. 2005 stat. inval. see Phylum Pseudomonadota Garrity et al. 2021
       Class Gammaproteobacteria Garrity et al. 2005
         Order "Enterobacteriales" "Garrity and Holt 2001" nom. nud. see Order Enterobacterales Adeolu et al. 2016
           Family Enterobacteriaceae Rahn 1937 nom. cons. (Approved Lists 1980)
             Genus Xenorhabdus Thomas and Poinar 1979 (Approved Lists 1980)
               1 [Xenorhabdus nematophila] corrig. (Poinar and Thomas 1965) Thomas and Poinar 1979 (Approved Lists 1980)
               2 Xenorhabdus beddingii (Akhurst 1986) Akhurst and Boemare 1993
               3 Xenorhabdus bovienii (Akhurst 1983) Akhurst and Boemare 1993
               4 Xenorhabdus budapestensis Lengyel et al. 2005
               5 Xenorhabdus ehlersii Lengyel et al. 2005
               6 Xenorhabdus innexi Lengyel et al. 2005
               7 Xenorhabdus japonica corrig. Nishimura et al. 1995
               8 Xenorhabdus poinarii (Akhurst 1983) Akhurst and Boemare 1993
               9 Xenorhabdus szentirmaii Lengyel et al. 2005