Matsubara, T., Sasaki, T. & Ito, Y. (2022). Illustrations of Cenozoic molluscan type specimens preserved in The University Museum, The University of Tokyo. Part 25.
Pecten tokyoensis Tokunaga, 1906 and
Patinopecten (Patinopecten) tokyoensis hokurikuensis Akiyama, 1962 (Pectinidae).
Chiribotan. 53(1): 1-18.