This crustacean is known from Alaska, USA, to Mexico.
In adults, the eyes are distinctly separated.
It has been collected from fishes or from soft-bottom habitats.
In adults, the propodus of each of the first three leg pairs has a large, broad, spine-bearing inner lobe.
In adults, the frontal plate beneath the head is broadened at the front and shaped like an arrowhead or spatula.
An extinction-risk assessment has not been added yet.