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Littorinidae 4 species (36 shells in total)

Phylum      : Mollusca
 Class       : Gastropoda 
  Subclass    : Caenogastropoda 
   Order       : Littorinimorpha 
    Superfamily : Littorinoidea 
     Family      : Littorinidae 
    

Common name : periwinkles

Aspect : fairly small shell, not pearly, variable size and thickness depending on the region. Fine and sharp external lip. Horny and spiral, very tight seal allowing them to wait dry for several days for the return of high tides.

Feeding : herbivore (algae)

Environment : rocky shores in almost all parts of the world

Littoraria coccinea glabrata (Philippi, 1846) (Subfamily Littorininae)

Littoraria coccinea glabrata

Littoraria intermedia (Philippi, 1846) (Subfamily Littorininae)

Littoraria intermedia

Littorina littorea (Linnaeus, 1758) (Subfamily Littorininae)

Littorina littorea : (Brittany)

Littorina littorea (Linnaeus, 1758) (Subfamily Littorininae)

Littorina littorea : <bis> (Brittany)

Littorina littorea (Linnaeus, 1758) (Subfamily Littorininae)

Littorina littorea : <ter> (Brittany)

Littorina obtusata (Linnaeus, 1758) (Subfamily Littorininae)

Littorina obtusata : (Brittany)

Littorina obtusata (Linnaeus, 1758) (Subfamily Littorininae)

Littorina obtusata : <bis> (Brittany)
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