| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Sulfurihydrogenibium yellowstonense | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfurihydrogenibium subterraneum T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfurihydrogenibium rodmanii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfurihydrogenibium kristjanssonii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfurihydrogenibium azorense | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfurihydrogenibium | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfurifustis variabilis T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfurifustis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuriflexus mobilis T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuriflexus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuriferula thiophila | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuriferula plumbiphila | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuriferula nivalis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuriferula multivorans T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuriferula | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuricurvum kujiense T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuricurvum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuricella denitrificans T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuricella | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuricellaceae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuricaulis limicola T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuricaulis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuracidifex tepidarius T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuracidifex metallicus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfuracidifex | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfophobococcus zilligii T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfophobococcus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfolobus yangmingensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfolobus acidocaldarius T | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Sulfolobus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |