Pterynotus (Pteropurpura) swansoni Hertlein & Strong 1951

Hertlein & Strong 1951. [G. Willett Polyplacophora]. Eastern Pacific Expeditions of the New York Zoological Society. XLIII. Mollusks from the West Coast of Mexico and Central America. Part X. Zoologica New York, 36 1951: pp. 67-120