Littorinoidea are a superfamily of both sea snails and land snails which have a gill and an operculum,

terrestrial Terrestrial refers to things related to land or the planet Earth. Terrestrial may also refer to: * Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to ...

and marine gastropod

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

s in the clade

Littorinimorpha Littorinimorpha is a large order of snails, gastropods, consisting primarily of sea snails (marine species), but also including some freshwater snails ( aquatic species) and land snails ( terrestrial species).Bouchet P. & Rocroi J.-P. (Ed.); Frý ...

. The terrestrial family within this group, the

Pomatiidae The family Pomatiidae is a taxonomic family of small operculate land snails, terrestrial gastropod mollusks that can be found over the warmer parts of the Old World. In the older literature, this family is designated as Pomatiasidae. This famil ...

, are sometimes called "land winkles"Journal of Molluscan Studies, GENETIC AND MORPHOLOGICAL VARIATION IN THE LAND WINKLE POMATIAS ELEGANS (MÜLLER) (CAENOGASTROPODA: POMATIASIDAE) Volume 67, Issue 2, pp 145–152 (http://mollus.oxfordjournals.org/content/67/2/145.abstract) Accessed 2014-9-2 because the group originated in the sea and the closely related family Littorinidae are known as "winkles".

Taxonomy

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

Littorinidae The Littorinidae are a Taxonomy (biology), taxonomic family (biology), family of over 200 species of sea snails, marine (ocean), marine gastropod molluscs in the clade Littorinimorpha, commonly known as periwinkles and found worldwide. Names In ...

Children, 1834 - the periwinkles **Subfamily Littorininae Children, 1834 **Subfamily Lacuninae Gray, 1857 **Subfamily Laevilitorininae Reid, 1989 * † Bohaispiridae Youluo, 1978 * Pickworthiidae Iredale, 1917 ** Subfamily Pickworthiinae Iredale, 1917 (synonym: Reynellonidae Iredale, 1917) ** Subfamily Pelycidiinae Ponder & Hall, 1983 ** Subfamily Sherborniinae Iredale, 1917 *

Newton, 1891 (1828) ** Subfamily Pomatiinae Newton, 1891 * Annulariidae Henderson & Bartsch, 1920 ** Subfamily Annulariinae Henderson & Bartsch, 1920 **Subfamily Rhytidopomatinae Henderson & Bartsch, 1920 **Subfamily Tudorinae Watters, 2006 * † Purpurinidae Zittel, 1895 * Skeneopsidae Iredale, 1915 * † Tripartellidae Gründel, 2001 *

Zerotulidae The Zerotulidae comprise a taxonomic family of sea snails, marine gastropod molluscs in the superfamily Littorinoidea Littorinoidea are a superfamily of both sea snails and land snails which have a gill and an operculum, terrestrial and ma ...

Warén & Hain, 1996 (Extinct taxa are 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

References

{{Taxonbar, from=Q6653350 Littorinimorpha Gastropod superfamilies Taxa named by John George Children