From editor or global species database
Type locality Pacific Ocean, California, off San Nicholas Island ("from San Diego, Cal., through Santa Catalina and Santa Barbara, E. Point San Nicolas Island, S. 7.6 miles"; geocoordinates not provided, but estimated to be approximately lat. 33.182636º, long. -119.319507º). [details]
Type material Holotype deposited at the Smithsonian Institution, Washington (USNM 17400). [details]