PhylumChloroflexota
| Taxon: | Rank: |
| Anaerolineae | class |
| Ardenticatenia | class |
| Caldilineae | class |
| Chloroflexia | class |
| Dehalococcoidia | class |
| Ktedonobacteria | class |
| Tepidiformia | class |
| Thermobaculum | genus |
| Thermoflexia | class |
| Taxon: | Rank: |
| Anaerolineae | class |
| Ardenticatenia | class |
| Caldilineae | class |
| Chloroflexia | class |
| Dehalococcoidia | class |
| Ktedonobacteria | class |
| Tepidiformia | class |
| Thermobaculum | genus |
| Thermoflexia | class |