(of Rhizochilus asper A. Adams, 1855) Adams, A. (1855). Descriptions of thirty-nine new species of shells, from the collection of Hugh Cuming, Esq. <em>Proceedings of the Zoological Society of London.</em> (1854) 22: 130-138, pl. 28., available online at https://www.biodiversitylibrary.org/page/30747527
page(s): 137. [details]
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.
page(s): 545 [details]
From editor or global species database
Status Keen (1971) noted that no specimens of the species had been reported in recent years and said that "it may well not prove to be West American". [details]