| Semicassis | |
|---|---|
| A live individual of Semicassis undulata from Italy | |
| Dorsal view of a shell of Semicassis pyrum | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Caenogastropoda clade Hypsogastropoda clade Littorinimorpha |
| Superfamily: | Tonnoidea |
| Family: | Cassidae |
| Subfamily: | Cassinae |
| Genus: | Semicassis Mörch, 1852 |
Semicassis is a genus of medium-sized predatory sea snails, marine gastropod molluscs in the subfamily Cassinae within the family Cassidae, the helmet snails and bonnet snails.
According to the World Register of Marine Species (WoRMS), the following species with valid names are included within the genus Semicassis:[1]
The following species are also mentioned by A. Powell:[2]