This crustacean is known from California, USA, to Mexico.
In adults, the head is incompletely fused with the first thoracic segment, with a distinct side incision behind and below each eye.
It is known from seaweed and soft-bottom benthos on the continental shelf.
In adults, the underside of the slender terminal antennal portion bears blade-like hairs.
In adults, the abdomen comprises two segments followed by the tail plate, making three segments in total.
An extinction-risk assessment has not been added yet.