| Rank | Scientific name | Taxonomic status |
|---|---|---|
| family | Fecampiidae | accepted |
| family | Genostomatidae | accepted |
| family | Notenteridae | accepted |
| family | Piscinquilinidae | accepted |
| family | Urastomidae | accepted |
Fecampiida. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-11-28.