| Rank | Scientific name | Taxonomic status |
|---|---|---|
| family | Astasiaceae | accepted |
| family | Eutreptiaceae | accepted |
| family | Eutreptiidae | accepted |
Eutreptiida. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-11-21.