This crustacean is known from Washington State to southern California, USA.
In adults, the sides of the head are strongly produced.
It lives in sandy subtidal sediments.
In adults, the rear abdomen has two short projections overhanging the front margin of the tail plate.
In adults, each uropodal branch is narrow at the base, expands at least twofold, then tapers to a pointed tip.
An extinction-risk assessment has not been added yet.