Cerithiopsis shikoensis Yokoyama, 1928 accepted as Trochocerithium shikoense (Yokoyama, 1928) (original description)
Cerithium satoi Yokoyama, 1928 † (original description)
Conus comatosaeformis Yokoyama, 1928 † (original description)
Conus oinouyei Yokoyama, 1928 † (original description)
Cypraea cinctoides Yokoyama, 1928 † (original description)
Diplodonta murayamai Yokoyama, 1928 † (original description)
Gibbula tainanica Yokoyama, 1928 † (original description)
Loripes goliath Yokoyama, 1928 † accepted as Meganodontia goliath (Yokoyama, 1928) † (original description)
Mactra banbakoensis Yokoyama, 1928 † (original description)
Melania grossula Yokoyama, 1928 † accepted as Melanoides grossula (Yokoyama, 1928) † (original description)
Melania saigoi Yokoyama, 1928 † accepted as Melanoides saigoi (Yokoyama, 1928) † (original description)
Melania scabroides Yokoyama, 1928 † accepted as Mieniplotia scabra (O. F. Müller, 1774) (original description)
Melania submadiunensis Yokoyama, 1928 † accepted as Melanoides obliquegranosus (E. A. Smith, 1878) accepted as Tarebia granifera (Lamarck, 1816) (original description)
Potamides muritus Yokoyama, 1928 † (original description)
Ringicula globulifera Yokoyama, 1928 † (original description)
Siliqua intoshiana Yokoyama, 1928 † (original description)
Tapes taiwanensis Yokoyama, 1928 † (original description)
Tellina taiwanica Yokoyama, 1928 † (original description)
Terebra subvariegata Yokoyama, 1928 † (original description)
Turritella filiola Yokoyama, 1928 † (original description)
Venus arisanensis Yokoyama, 1928 † (original description)