Littorina is a genus of small sea snails, marine gastropod molluscs in the family Littorinidae, the winkles or periwinkles. [ 2 ] These small snails live in the tidal zone of rocky shores.

The common periwinkle or winkle (Littorina littorea) is a species of small edible whelk or sea snail, a marine gastropod mollusc that has gills and an operculum, and is classified within the family Littorinidae, the periwinkles.

Littorina is a classic example: in England L. neritoides lives in crevices of exposed rocks above normal high water but releases floating (pelagic) egg capsules during fortnightly high tides or storms; L. littorea, on the lower half of the shore, also has pelagic egg capsules,…

Littorina littorea is known as the Common Periwinkle. It is native to Europe from the White Sea, Russia to Gibraltar. It has been introduced to the West and East coasts of North America and the Mediterranean.

The common periwinkle, Littorina littorea, is the largest, most common and widespread of the northern species. It may reach a length of 4 centimetres (1 1 / 2 inches), is usually dark gray, and has a solid spiral (turbinate) shell that readily withstands the buffeting of waves.

Littorina littorea. Common Name. common periwinkle. Kingdom. Animalia. Location in Taxonomic Tree . Genus. Littorina. Species. Littorina littorea. Identification Numbers. TSN: 70419. Geography. Launch Interactive Map. Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the ...

2009年12月15日 · This datasheet on Littorina littorea covers Identity, Overview, Distribution, Dispersal, Diagnosis, Biology & Ecology, Environmental Requirements, Natural Enemies, Impacts, Uses, Prevention/Control, Further Information.

2021年8月24日 · Common Periwinkle (Littorina littorea) Tentacles: The tentacles on their head are sensory organs that are used to see and taste. Movement: They have a strong muscular foot (which is the main part of the body that we see outside of the shell) that helps them to slide along the ground and to hold on tight to the rocks when the waves are crashing ...

2024年10月28日 · Periwinkle (Littorina littorea) - Alikruik Taxonomy: The Periwinkle belongs to the Littorinidae family, known as sea snails. These small mollusks are well-adapted to tidal environments and are found in various parts of the world.

Littorina Férussac, 1822 – 18 species – type genus; Mainwaringia Nevill, 1885 [6] Melarhaphe Menke, 1828; Nodilittorina von Martens, 1897 – this genus proved to be polyphyletic and in 2003 was divided into: Echinolittorina – 59 species worldwide; Austrolittorina – five species; Afrolittorina – four species; Nodilittorina s.s ...