Cassis (gastropod)
| Cassis Temporal range: | |
|---|---|
| A shell of Cassis cornuta | |
| Five views of a shell of Cassis cornuta | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Tonnoidea |
| Family: | Cassidae |
| Genus: | Cassis Scopoli, 1777 |
| Type species | |
| Buccinum cornutum | |
| Species | |
|
See text | |
| Synonyms | |
| |
Cassis, common name the helmet shells, is a genus of very large sea snails, marine gastropod mollusks in the family Cassidae, the helmet shells and their allies. This is the type genus of the subfamily Cassinae.