| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Splendidivirga | ||||
| Splendidivirga corallicola T | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Sphingobacterium oryzagri | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Spartinivicinus poritis | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Sinomonas terricola | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Shewanella phaeophyticola | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Selenobaculum gibii T | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Sanyastnella | ||||
| Sanyastnella coralliicola T | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Roseobacter fucihabitans | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Roseinatronobacter bogoriensis subsp. bogoriensis | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Roseinatronobacter bogoriensis subsp. barguzinensis | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Roseinatronobacter alkalisoli | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Roseateles violae | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Roseateles subflavus | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Roseateles aquae | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Rhodoferax lithotrophicus | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Rhodoferax koreensis | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Pseudomonas fortuita | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Promethearchaeum | ||||
| Promethearchaeum syntrophicum T | ||||
| Phytohabitans maris | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Phycicoccus sonneratiae | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Pengzhenrongella phosphoraccumulans | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Pengzhenrongella frigida | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Parasedimentitalea maritima | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Parasedimentitalea denitrificans | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Paramicrobacterium | ||||
| Paramicrobacterium humi | Unknown | Valid (ICNP) | Excubia bot about 2 years ago | |
| Paramicrobacterium fandaimingii | Unknown | Valid (ICNP) | Excubia bot about 2 years ago |