| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Xylanibacillus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xinfangfangia soli T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xinfangfangia humi | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xinfangfangia | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus vietnamensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus thuongxuanensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus szentirmaii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus stockiae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus romanii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus poinarii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus nematophila T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus miraniensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus mauleonii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus magdalenensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus kozodoii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus koppenhoeferi | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus khoisanae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus japonica | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus ishibashii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus innexi | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus indica | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus hominickii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus griffiniae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus ehlersii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus eapokensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus doucetiae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus cabanillasii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus budapestensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus bovienii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenorhabdus beddingii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |