This crustacean is known from Point Conception, southern California, USA.
In adult males, the middle of the front of the head has three roughly equal projections.
It is known from benthic sediments on the continental shelf.
In adult males, each abdominal segment has a single set of lateral projections, present only on the upper side.
In adult males, the tail plate is arrowhead-shaped.
An extinction-risk assessment has not been added yet.