| Littorinidae | |
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| Two shells of the common periwinke Littorina littorea | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Littorinoidea |
| Family: | Littorinidae Children, 1834[1] |
| Subfamilies | |
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| Diversity[2] | |
| Two freshwater species and numerous marine species. | |
The Littorinidae are a taxonomic family of over 200 species of sea snails, marine gastropod molluscs in the clade Littorinimorpha, commonly known as periwinkles and found worldwide.[3]
In English-speaking countries, gastropod molluscs from other families, such as the Neritidae, are sometimes also commonly known as "winkles" because they are small, round snails that occupy a similar ecological niche.
These subfamilies have been recognized in the taxonomy of Bouchet & Rocroi (2005):
Genera within the family Littorinidae include:[4]
subfamily ?
David G. Reid; Suzanne T. Williams (2004). "The subfamily Littorininae in the Temperate Southern Hemisphere: the genera Nodilittorina, Austrolittorina and Afrolittorina" (PDF). Records of the Australian Museum. 56: 75–122. doi:10.3853/j.0067-1975.56.2004.1393.
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Edible mollusks
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| Bivalves |
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| Gastropods |
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| Inkfish |
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| Chitons |
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| Related topics |
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| Littorinidae |
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Authority control databases: National  |
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