xenorhabdus mauleonii xenorhabdus mauleonii xenorhabdus mauleonii is a bacterium from the genus of xenorhabdus which has been isolated from an undescribed steinernema species. xenorhabdus mauleonii scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: enterobacterales family: morganellaceae genus: xenorhabdus species: x. mauleonii binomial name xenorhabdus mauleoniitailliez et al. 2006 type strain cip 109075, dsm 17908, vc01