| Trochoidea | |
|---|---|
| Five views of a shell of Trochoidea pyramidata (Draparnaud, 1805) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Heterobranchia clade Euthyneura clade Panpulmonata clade Eupulmonata clade Stylommatophora informal group Sigmurethra |
| Superfamily: | Helicoidea |
| Family: | Hygromiidae |
| Genus: |
Trochoidea Brown, 1827 |
Trochoidea is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Hygromiidae. The name means "those that are shaped like a top".
(The same name, Trochoidea is currently also used for a superfamily of sea snails with gills, a superfamily that includes the top shells, Trochidae, and the turban shells, Turbinidae.)
Species within the genus Trochoidea include:
The following species have been brought into synonymy: