Austrolittorina is a genus of sea snails, marine gastropod mollusks in the family Littorinidae, the winkles or periwinkles.
Characteristics The shell surface is either smooth or characterized by spiral folds (carinate). The base of the shell adjacent to the columella is flattened or hollowed out, forming a distinct, crescent-shaped area.
Species Species within the genus Austrolittorina include: Austrolittorina antipodum (Philippi, 1847) Austrolittorina araucana (d'Orbigny, 1840) Austrolittorina cincta (Quoy & Gaimard, 1833) Austrolittorina fernandezensis (Rosewater, 1970) Austrolittorina unifasciata (Gray, 1826)
References
Reid, D.G. & Williams, S.T. (2004) The subfamily Littorininae (Gastropoda: Littorinidae) in the temperate Southern Hemisphere: the genera Nodilittorina, Austrolittorina and Afrolittorina. Records of the Australian Museum 56: 75-122