Heliocidaris tuberculata Lamarck 1816
tuberculate urchin brown sea urchin

family Echinometridae

The tuberculate urchin, Heliocardis tuberculata, is a bright, reddish brown, the spines are oval in cross section and blunt tipped.

Distribution =   southern Australia to Southern Qld
Max size =   test diameter about 10cms, spines about 5cms long