As with other hippolytid shrimp, this species has no exopodites on its pereopods, the carpus of pereopod 2 is divided into 3-7 subunits (articles, a "multiarticulated carpus"), and a rostrum is present but if it has dorsal spines they are not movable. This species has 7 subunits (articles) in the carpus of pereopod 2, has 1 supraorbital spine,(photo), maxilliped 3 has no exopodite, the rostrum is longer than the eye and reaches just beyond the middle of the antennal scale, and the pleura of abdominal segments 2 and 3 end in sharp points. The carapace has 4 large, forward-pointing spines on the mid-dorsal line. Usually translucent with brown or reddish-brown bands. Total length to 10.7 cm, usually less than 4 cm.
- Jensen, Gregory C., 1995. ;Pacific Coast Crabs and Shrimps. ; Sea Challengers, Monterey, CA. ;87 pp. ; ISBN 0-930118-20-0. ; This paperback contains excellentpictures and brief descriptions of many crabs and shrimp from along thePacific coast. ; Sections are arranged by animal group. ; Includesa short glossary. http://www.wallawalla.edu/academics/departments/biology/rosario/inverts/Annotated_Bibliography.html#Jensen+1995
- Wicksten,Mary K., 2009. ; Decapod Crustacea of the Californian and OregonianZoogeographic Provinces. ; UC San Diego Scripps Institution of OceanographyLibrary, Scripps Institution of Oceanography. ; http://escholarship.org/uc/item/7sk92dz ;418 pages. ; Published online only. ; This excellent key coversdecapods (crustaceans such as crabs, shrimp, spiny lobsters, hermit crabs,and crayfish) from shallow and deep water from Puget Sound south to thePacific coast of Baja California. ; Includes many subkeys, drawings,and photos. ; No glossary, table of contents, or index. ; Thisis the place to go for the most up-to-date key for decapods. ; MaryWicksten plans to publish an updated version of this key soon. http://www.wallawalla.edu/academics/departments/biology/rosario/inverts/Annotated_Bibliography.html#Wicksten+2009
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