It has a shallow anterior notch in the test, and uses special funnel-building spines to construct and maintain a funnel for circulating oxygenated water over the surface of the animal. It possesses a sub-anal fasciole that has four pore pairs in each side. Test diameter up to 6 cm.
This heart urchin uses special spines to construct and maintain a funnel in the sand to enable oxygenated water to circulate over its body while it is buried. It is possibly the world's most widely distributed heart urchin.
Buried in sand, to depth of 100 m.
Worldwide. Southern Australia.
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