| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Sphingomonas canadensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas azotifigens | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas aurantiaca | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas astaxanthinifaciens | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas asaccharolytica | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas arantia | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas aracearum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas aquatilis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas aquatica | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas antarctica | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas alpina | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas agri | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas aestuarii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas aerophila | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas aerolata | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas adhaesiva | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas abaci | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomonas | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomicrobium marinum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomicrobium lutaoense T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomicrobium flavum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomicrobium astaxanthinifaciens | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomicrobium arenosum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomicrobium aestuariivivum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingomicrobium | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingobium yanoikuyae T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingobium xenophagum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingobium xanthum | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingobium wenxiniae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Sphingobium vulgare | Unknown | Valid (ICNP) | Excubia bot over 2 years ago |