In members of this genus there are 12 pairs of elytrae and 26 segments. This species is the only polynoid with uniform very dark grey pigmentation throughout. Each elytron has two slightly diverging raised keels. Body up to about 5 cm long.
This species apparently occurs Australia-wide as well as elsewhere in the Indo-Pacific area.
Port Phillip Bay and other similar coastal habitat, inshore and continental shelf.
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed