Littorinoidea
Littorinoidea are a superfamily of both sea snails and land snails which have a gill and an operculum, terrestrial and marine gastropod mollusks in the clade Littorinimorpha.
| Littorinoidea | |
|---|---|
| Apertural view of a shell and an operculum of the land snail Tudorella sulcata in the family Pomatiidae | |
| The land snail Tropidophora fimbriata | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Littorinoidea Children, 1834 |
| Families | |
|
See text | |
The terrestrial family within this group, the Pomatiidae, are sometimes called "land winkles" because the group originated in the sea and the closely related family Littorinidae are known as "winkles".
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