Masudapecten iwasakiensis (Nomura, 1935)
NOMURA, S. 1935. Miocene Mollusca from the Nisi-Tugaru District, Aomori-ken, Northeast Honsyu, Japan. Saito Ho-on Kai Museum Research Bulletin, 6: 19-81, pls. 2-8. [p. 38, pl. 3, figs. 1-4]
1935 Pecten (Pecten) iwasakiensis Nomura, 1935