
Location: Friendly Beaches (East coast, TAS)
Habitat: Rocky intertidal

Location: Murrays Beach (Jervis Bay, NSW)
Habitat: Rocky intertidal

Location: Adventure Bay (Bruny Island, TAS)
Habitat: Rocky intertidal

Location: Tinderbox (Hobart region, TAS)
Habitat: Rocky intertidal

Location: Tinderbox (Hobart region, TAS)
Habitat: Rocky intertidal
Note: shell damage or abnormality
Austrolittorina unifasciata
  (previously Nodilittorina unifasciata)
 Blue periwinkle
Phylum: Mollusca
Class: Gastropoda
Subclass: Othogastropoda
Order: Sorbeoconcha
Family: Littorinidae
Genus: Austrolittorina
Species: unifasciata
Similar species:
  Afrolittorina praetermissa