This crustacean is known from southern California, USA.
In adult type material, the rear side margins of the tail plate are concave.
The type material is known from black mud, nodules and flat shaley rocks on the offshore continental slope.
In adult type material, the rear margin of the seventh thoracic segment is convex.
In adult type material, the eyes project outward from the sides of the head.
An extinction-risk assessment has not been added yet.