context source (Bermuda)Jensen, R. H. (1997). A Checklist and Bibliography of the Marine Molluscs of Bermuda. Unp. , 547 pp[details]
basis of recordAbbott, R. T. (1974). <i>American seashells. The marine Mollusca of the Atlantic and Pacific coast of North America</i>. ed. 2. Van Nostrand, New York. 663 pp., 24 pls. [October 1974]. (look up in IMIS) [details]
additional sourceRosenberg, G.; Moretzsohn, F.; García, E. F. (2009). Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 <i>in:</i> Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Texas A&M Press, College Station, Texas.[details] Available for editors [request]
additional sourceRosenberg, G. 2004. Malacolog Version 3.3.2: Western Atlantic gastropod database. The Academy of Natural Sciences, Philadelphia, PA., available online athttp://www.malacolog.org[details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Etymology Named for the American malacologist, Charles William Johnson (1863-1932) of the Boston Society of Natural History. [details] Type locality At Woods Hole, Massachusetts, on gravel bottom in 2 to 3 fathoms [details]
From other sources
Distribution Massachusetts to North Carolina [details]