Disc round, scaled with a conspicuous triangular notch on the disc near the base of the arms, which is bordered by minute spines. Arms stiff with up to 12 minute adpressed arm spines on the side of each arm segment. Colour: disc patterned grey and white, with a pink patch near the base of the arms covering the radial shields. Arms banded white, pink and dark. Disc to 1 cm diameter, with arms twice as long.
This is the only species still living from this genus, although fossils are known from North America. Feeding is unknown, although it is thought to be a carnivore.
Coarse sediment, in depths of 15-84 m.
Southern Australia, excluding Tasmania. Rarely found in Victoria.
Native to Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed