| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Xenorhabdus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenophilus azovorans T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenophilus arseniciresistens | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenophilus aerolatus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xenophilus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthovirga aplysinae T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthovirga | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas vesicatoria | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas vasicola | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas translucens | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas theicola | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas sacchari | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas prunicola | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas populi | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas pisi | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas phaseoli | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas perforans | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas oryzae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas nasturtii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas melonis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas maliensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas hyacinthi | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas hortorum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas fragariae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas floridensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas euvesicatoria | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas euroxanthea | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas dyei | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas cynarae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Xanthomonas cucurbitae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |