| Rank | Scientific name | Taxonomic status |
|---|---|---|
| family | Aquificaceae | accepted |
| family | Desulfurobacteriaceae | accepted |
| family | Hydrogenothermaceae | accepted |
| genus | Thermosulfidibacter Nunoura et al., 2008 | accepted |
Aquificales. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-11-19.