| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Xenorhabdus nematophilus subsp. bovenii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xenorhabdus nematophilus subsp. beddingii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xenorhabdus nematophila subsp. poinarii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xenorhabdus nematophila subsp. nematophila | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xenorhabdus nematophila subsp. bovienii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xenorhabdus nematophila subsp. beddingii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xenorhabdus luminescens | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xenorhabdus lircayensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xenorhabdus japonicus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xaviernesmea | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xaviernesmea rhizosphaerae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xaviernesmea oryzae T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xanthomonas youngii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xanthomonas maltophilia | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xanthomonas hydrangeae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xanthomonas gardneri | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xanthomonas fuscans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xanthomonas fuscans subsp. fuscans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xanthomonas fuscans subsp. aurantifolii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xanthomonas bonasiae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xanthomonas ampelina | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Xanthobacter dioxanivorans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Wolinella recta | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Wolinella curva | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Wolbachia | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Wolbachia pipientis T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Wolbachia persica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Wolbachia melophagi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Winogradskyella marina | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Winogradskyella luteola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |