| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Sulfuricaulis limicola T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfuricaulis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfuracidifex tepidarius T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfuracidifex metallicus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfuracidifex | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfophobococcus zilligii T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfophobococcus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfolobus yangmingensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfolobus acidocaldarius T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfolobus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfodiicoccus acidiphilus T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfodiicoccus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfobacillus thermotolerans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfobacillus thermosulfidooxidans T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfobacillus sibiricus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfobacillus benefaciens | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfobacillus acidophilus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfobacillus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfitobacter undariae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfitobacter salinus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfitobacter sabulilitoris | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfitobacter pseudonitzschiae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfitobacter profundi | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfitobacter porphyrae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfitobacter pontiacus T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfitobacter pacificus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfitobacter noctilucicola | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfitobacter noctilucae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfitobacter mediterraneus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Sulfitobacter maritimus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |