This crustacean is known from southern California, Mexico and the Galapagos Islands.
In adults, the first two basal segments of the antennules are fused.
It is known from rocks, sandy silt and algae.
In adults, the tips of the uropod branches have notches.
In adults, the upper surfaces of the thorax, abdomen and tail plate lack tubercles, ridges and hairs.
An extinction-risk assessment has not been added yet.