| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Sphingomonas zeae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas yunnanensis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas yantingensis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas yabuuchiae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas xinjiangensis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas vulcanisoli | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas turrisvirgatae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas trueperi | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas tabacisoli | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas suaedae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas spermidinifaciens | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas soli | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas solaris | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas silvisoli | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas segetis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas sediminicola | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas sanxanigenens | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas sanguinis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas rubra | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas roseiflava | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas rhizophila | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas qilianensis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas psychrolutea | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas pseudosanguinis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas pruni | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas profundi | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas prati | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas populi | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas polyaromaticivorans | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Sphingomonas pokkalii | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago |