| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Syntrophomonas wolfei subsp. wolfei | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophomonas wolfei T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophomonas wolfei subsp. saponavida | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophomonas sapovorans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophomonas palmitatica | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophomonas erecta | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophomonas curvata | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophomonas cellicola | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophomonas bryantii | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophomonas | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophococcus sucromutans T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophococcus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophobotulus glycolicus T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophobotulus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophobacter wolinii T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophobacter sulfatireducens | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophobacter pfennigii | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophobacter fumaroxidans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophobacter | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophaceticus schinkii T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Syntrophaceticus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Synergistes jonesii T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Synergistes | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symmachiella macrocystis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symmachiella dynata T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symmachiella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symbiobacterium turbinis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symbiobacterium thermophilum T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symbiobacterium terraclitae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Symbiobacterium ostreiconchae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |