| Gnathostomulidae | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Gnathostomulida |
| Order: | Bursovaginoidea |
| Family: | Gnathostomulidae Sterrer, 1972 |
Gnathostomulidae is a family of worms belonging to the order Bursovaginoidea.
Genera:
- Chirognathia Sterrer & Sørensen, 2006
- Corculognathia Ehlers & Ehlers, 1973
- Gnathostomula Ax, 1956
- Ratugnathia Sterrer, 1991
- Semaeognathia Riedl, 1970
