| Monocelididae | |
|---|---|
| Monocelis fusca | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Platyhelminthes |
| Order: | Proseriata |
| Infraorder: | Lithophora |
| Family: | Monocelididae Hofsten, 1907 |
Monocelididae is family of marine turbellarian flatworms in the order Proseriata, sub order Lithophora.