original description
Willett, G. (1932). A new chiton from southern California. <em>The Nautilus.</em> 45(3): 101-102, pl. 7, fig. 1., available online at https://www.biodiversitylibrary.org/page/8527934 [details]
basis of record
Kaas P. & Van Belle R. A. (1994). Monograph of living Chitons (Mollusca: Polyplacophora). Vol. 5. Suborder Ischnochitonina. Ischnochitonidae: Ischnochitoninae (concluded), Callistoplacinae; Mopaliidae. Additions to Volumes 1-4. <em>E. J. Brill, Leiden.</em> 402 pp. [details]
From editor or global species database
Type locality "in fifteen fathoms, off San Pedro, California" [details]