| Rank | Scientific name | Taxonomic status |
|---|---|---|
| family | Baicalarctiidae | accepted |
| family | Hypotrichinidae | accepted |
| family | Multipeniatidae | accepted |
| family | Plagiostomidae | accepted |
| family | Protomonotresidae | accepted |
| family | Pseudostomidae | accepted |
| family | Scleraulophoridae | accepted |
| family | Urostomatidae | accepted |
Prolecithophora. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-11-28.