This crustacean is known from southern California, USA.
In adult females, the head is nearly circular.
It parasitizes the gills of the hermit crab Isocheles pilosus.
In adult females, the edges on the convex side of thoracic segments five to seven form slender points bent back over the upper body.
In adult females, abdominal segments one to five have lance-shaped side plates with toothed edges and similarly shaped, two-branched appendages.
An extinction-risk assessment has not been added yet.