Blue periwinkle

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Blue periwinkle
Scientific classification
Kingdom: Animalia Phylum: Mollusca Class: Gastropoda Superorder: Caenogastropoda Order: Sorbeoconcha Suborder: Hypsogastropoda Infraorder: Littorinimorpha Superfamily: Littorinoidea Family: Littorinidae Genus: Nodilittorina Species: N. unifasciata
Binomial name
Nodilittorina unifasciata (Grey, 1826)

The Blue Periwinkle or Nodilittorina unifasciata Grey, 1826, is a species of small sea snail, a marine gastropod mollusk in the family Littorinidae, the periwinkles.

The common name of this snail derives from the pale bluish-grey color of the shell, which ranges in adult size from 10 mm to 16 mm.

Contents 1 Distribution 2 Habitat 3 Life habits 4 Predators 5 References 5.1 External links

[edit] Distribution

This common periwinkle lives in Australia and New Zealand.

[edit] Habitat

This species of periwinkle lives in the splash zone and high intertidal zone, where it is found in clusters of individuals.

[edit] Life habits

The blue periwinkle grazes on lichen and algae.

[edit] Predators

This small snail is eaten by crabs and birds.

[edit] References

• G.J. Edgar - Australian Marine Life ; Reed New Holland Publishers (1997)
• W.J. Dakin - Australian Sea Shores; Angus and Robertson Publishers (1952)

[edit] External links

• Nomenclature: [1]
• Other information: [2]
• Image of a cluster of individuals: [3]