Testacelloidea
| Testacelloidea | |
|---|---|
| Drawing of the shelled slug, Testacella haliotidea | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Gastropoda | 
| Order: | Stylommatophora | 
| Infraorder: | Helicina | 
| Superfamily: | Testacelloidea Gray, 1840 | 
| Families | |
| See text | |
The Testacelloidea are a superfamily of air-breathing land snails and slugs, terrestrial gastropod molluscs in the suborder Helicina of the order Stylommatophora.