| Southwellina | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Acanthocephala |
| Class: | Palaeacanthocephala |
| Order: | Polymorphida |
| Family: | Polymorphidae |
| Genus: | Southwellina Witenberg, 1932 |
Southwellina is a genus in Acanthocephala (thorny-headed worms, also known as spiny-headed worms).