From low tide to less than 200 m. Pettibone (1962) recorded the species from about 460 m (250 fathoms). [details]
Northeast Pacific Ocean, from Alaska to California. [details]
Western Atlantic: from New England (including Cobscook Bay) to the Gulf of Mexico. Northeast Atlantic: Capbreton ... [details]
The species is named for Mr. Cyril Berkeley and Mrs. Edith Berkeley, ''who kindly sent me the specimens at my ... [details]
The species is named for Roland L. Wigley, Bureau of Commercial Fisheries Biological Laboratory, Woods Hole, ... [details]
More common on sandy sediments, but also found in mud, normally from subtidal to less than 200 m. [details]
Departure Bay beach, east coast of Vancouver Island, British Columbia, Canada, Northeast Pacific (gazetteer ... [details]
Georges Bank, off Massachusetts, USA, Northwest Atlantic(40º09'N, 68º58'W), 74 fathoms (135.3 m), on bottoms of ... [details]