| Rank | Scientific name | Taxonomic status |
|---|---|---|
| family | Geryoniidae | accepted |
| family | Halicreatidae | accepted |
| family | Petasidae | accepted |
| family | Ptychogastriidae | accepted |
| family | Rhopalonematidae | accepted |
Trachymedusae. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-11-18.