| Species | RefIntense Num | Refseq Num | Source |
|---|---|---|---|
| Sutterella parvirubra | 1 | 2 | MGYG |
| Sutterella wadsworthensis | 2 | 28 | MGYG |
| Synechococcus elongatus | 1 | 9 | HMP |
| Syntrophomonas wolfei | 1 | 2 | HMP |
| Teredinibacter turnerae | 1 | 9 | HMP |
| Terrisporobacter glycolicus | 1 | 6 | MGYG |
| Tessaracoccus massiliensis | 1 | 2 | MGYG |
| Thermobifida fusca | 1 | 5 | HMP |
| Thermobispora bispora | 1 | 2 | HMP |
| Thermosipho africanus | 1 | 3 | HMP |