This crustacean is known from central to southern California, USA.
In adults, the body is elongated and parallel-sided.
It is known from coarse sediments on the continental shelf and in submarine canyons.
In adults, the side margins of the head have distinct indentations below the eyes.
In adults, the basal antennular segment has a large outer distal projection bearing about six sharp, flat spines curved toward the second segment.
An extinction-risk assessment has not been added yet.