This crustacean is known from southern California, Mexico, and Central and South America.
Adults lack eyes.
It is known from fine-sand and muddy bottoms in offshore submarine canyons and basins.
In adults, the side plates of thoracic segments four to seven extend beyond the hind edges of their respective segments.
In adults, the sides of the fifth abdominal segment are covered by the fourth.
An extinction-risk assessment has not been added yet.