original description
McLean, J. H. (1970 ["1969"]). New species of tropical eastern Pacific Gastropoda. <em>Malacological Review.</em> 2(2): 115-130., available online at http://decapoda.nhm.org/pdfs/32437/32437.pdf
page(s): 124-125, figs. 30-31 [details]
basis of record
Keen, A. M. (1971). Sea Shells of Tropical West America. Marine mollusks from Baja California to Peru. ed. 2. Stanford University Press. xv, 1064 pp., 22 pls. [details]
From editor or global species database
Type locality Cove adjoining the west sides of Isla Partida and Espiritu Santo Islands, Baja California [details]