This crustacean is known from Washington to southern California, USA.
In adults, each side of the tail plate bears four to seven spine-like teeth.
It occurs under rocks or among holdfasts of the kelp genus Laminaria.
In adults, the lower margin of the propodus of the first walking leg lacks denticles on its basal third.
In adults, the eyes lie on the upper sides of the head without reaching its lateral margins.
An extinction-risk assessment has not been added yet.