This crustacean is known from central and southern California, USA.
Adult males have two horns at the rear sides of the upper head.
It is known from green muds and rocky bottoms.
Adult males have three large upper projections on the first thoracic segment.
In adult males, the upper surface of the tail plate has lengthwise rows of large, spine-like tubercles.
An extinction-risk assessment has not been added yet.