Shell rough with distinct raised spiral ridges. Short pointed end (spire). Usually white or grey, sometimes with light or dark zigzag lines or stripes. Shell up to 2 cm long.
Ribbed Top Shells are often referred to as Periwinkles, but they are not related to the European shells of this name. Other top shells in this genus also live in Victoria and have various striped and checked patterns.
Rocks on intertidal reefs.
Native to Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed