Clostridiales incertae sedis
- Anaerococcus hydrogenalis DSM 7454 (incomplete)
- Anaerococcus lactolyticus ATCC 51172 (incomplete)
- Anaerococcus prevotii DSM 20548 (complete)
- Anaerococcus tetradius ATCC 35098 (incomplete)
- Anaerococcus vaginalis ATCC 51170 (incomplete)
- Finegoldia magna ACS-171-V-Col3 (incomplete)
- Finegoldia magna ATCC 29328 (complete)
- Finegoldia magna ATCC 53516 (incomplete)
- Finegoldia magna BVS033A4 (incomplete)
- Parvimonas micra ATCC 33270 (incomplete)
- Peptoniphilus duerdenii ATCC BAA-1640 (incomplete)
- Peptoniphilus harei ACS-146-V-Sch2b (incomplete)
- Peptoniphilus lacrimalis 315-B (incomplete)
- Peptoniphilus sp. oral taxon 386 str. F0131 (incomplete)
- Peptoniphilus sp. oral taxon 836 str. F0141 (incomplete)
- Symbiobacterium thermophilum IAM 14863 (complete)
- Thermaerobacter marianensis DSM 12885 (complete)
- Thermaerobacter subterraneus DSM 13965 (incomplete)