Trochida
| Trochida Temporal range: | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Superfamilies | |
|
See text | |
Trochida is an order of small to very large vetigastropods. It includes recent and extinct sea snails with gills and an operculum.