The colour of the test is pale greenish, sometimes slightly purple or grey. Test diameter up to 4 cm.
This uncommon species of sea urchin never occurs in great numbers. It is endemic to Southern Australia.
Medium energy environments where algae and rocky reef occur, to depths greater than 120 m.
Spines can puncture skin. Venom status unknown.
Native to Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed