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Tudorella sulcata shell.jpg
Apertural view of a shell and an operculum of the land snail Tudorella sulcata in the family Pomatiidae
Tropidofora fimbriata haemostoma IleRonde 8605.jpg
The land snail Tropidophora fimbriata
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Caenogastropoda
clade Hypsogastropoda
clade Littorinimorpha
Superfamily: Littorinoidea
Children, 1834[1]

See text

Littorinoidea is 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.[2]

The terrestrial family within this group, the Pomatiidae, are sometimes humorously called winkles come ashore because the group originated in the sea and the family Littorinidae are known as winkles.


The following families and subfamilies have been recognized in the taxonomy of Bouchet & Rocroi (2005):

(Extinct taxa indicated by a dagger, †.)

Families brought into synonymy
  • Bembiciidae: synonym of Lacuninae
  • Cyclostomatidae: synonym of Pomatiidae
  • Ericiidae: synonym of Pomatiidae
  • Faxiidae: synonym of Sherborniinae
  • Lacunidae: synonym of Littorinidae
  • Melarhaphidae: synonym of Littorininae
  • Reynellonidae: synonym of Pickworthiinae
  • Risellidae: synonym of Lacuninae


  1. ^ Children J. G. (1834). Synopsis of the contents of the British Museum. ed. 28: 110.
  2. ^ Bouchet, P. & Rocroi, J.-P. (2005). "Classification and Nomenclator of Gastropod Families". Malacologia 47 (1–2).