Littorina
| Littorina | |
|---|---|
| Two shells of the Common periwinkle, Littorina littorea | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Gastropoda | 
| Subclass: | Caenogastropoda | 
| Order: | Littorinimorpha | 
| Family: | Littorinidae | 
| Subfamily: | Littorininae | 
| Genus: | Littorina Férussac, 1822 | 
| Type species | |
| Turbo littoreus | |
| Species | |
| See text. | |
| Synonyms | |
| 
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Littorina is a genus of small sea snails, marine gastropod molluscs in the family Littorinidae, the winkles or periwinkles.
These small snails live in the tidal zone of rocky shores.