Cassis gracilenta Yokoyama, 1928 † accepted as Cyllene gracilenta (Yokoyama, 1928) † (original description)
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)
Crassatellites oinouyei Yokoyama, 1928 † (original description)
Cryptogramma kaneharai Yokoyama, 1928 accepted as Crenocrassatella yagurai (Makiyama, 1927) (original description)
Cylichna yamakawai Yokoyama, 1928 accepted as Cylichnatys angusta (A. Gould, 1859) (original description)
Cypraea cinctoides Yokoyama, 1928 † (original description)
Diplodonta murayamai Yokoyama, 1928 † (original description)
Fasciolaria iizukai Yokoyama, 1928 † accepted as Afer cumingii (Reeve, 1848) (original description)
Gibbula tainanica Yokoyama, 1928 † (original description)
Gibbula taiwanensis W.-D. Chen, 2006 accepted as Pseudotalopia taiwanensis (W.-D. Chen, 2006) (additional source)
Gyrineum scelestum Yokoyama, 1928 † accepted as Bufonaria rana (Linnaeus, 1758) (original description)
Loripes goliath Yokoyama, 1928 † accepted as Meganodontia goliath (Yokoyama, 1928) † (original description)
Mactra banbakoensis Yokoyama, 1928 † (original description)
Mangilia perparva Yokoyama, 1928 † (original description)
Melania glabelliuscula Yokoyama, 1928 † accepted as Melanoides glabelliuscula (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)
Meretrix indecoroides Yokoyama, 1928 † accepted as Costellipitar indecoroides (Yokoyama, 1928) (original description)
Pecten (Chlamys) satoi Yokoyama, 1928 † accepted as Mimachlamys satoi (Yokoyama, 1928) † (original description)
Pectunculus formosanus Yokoyama, 1928 † accepted as Tucetona formosana (Yokoyama, 1928) † (original description)
Potamides (Batillaria) murayamai Yokoyama, 1928 † accepted as Batillaria murayamai (Yokoyama, 1928) † (original description)
Potamides muritus Yokoyama, 1928 † (original description)
Pyrula taiwanica Yokoyama, 1928 † accepted as Ficus taiwanica (Yokoyama, 1928) † (original description)
Ringicula foveolata Yokoyama, 1928 accepted as Ringiculopsis foveolata (Yokoyama, 1928) (original description)
Ringicula globulifera Yokoyama, 1928 † (original description)
Rostellaria (Rimella) spinifera var. formosana Yokoyama, 1928 † (original description)
Siliqua intoshiana Yokoyama, 1928 † (original description)
Siphonalia kellettioides Yokoyama, 1928 † accepted as Hemifusus kellettioides (Yokoyama, 1928) † (original description)
Tapes taiwanensis Yokoyama, 1928 † (original description)
Tellina taiwanica Yokoyama, 1928 † (original description)
Terebra formosana Yokoyama, 1928 † accepted as Cerithium fasciatum Bruguière, 1792 accepted as Rhinoclavis fasciata (Bruguière, 1792) (original description)
Terebra subvariegata Yokoyama, 1928 † (original description)
Turritella filiola Yokoyama, 1928 † (original description)
Venus arisanensis Yokoyama, 1928 † (original description)

Taiwan for Loripes goliath Yokoyama, 1928 † 
Taiwan for Melania glabelliuscula Yokoyama, 1928 † 
Taiwan for Melania saigoi Yokoyama, 1928 † 
Taiwan for Melania scabroides Yokoyama, 1928 † 
Taiwan for Melania submadiunensis Yokoyama, 1928 † 
Taiwan for Pecten (Chlamys) satoi Yokoyama, 1928 † 
Tasmania for Bythinia dulvertonensis Tenison Woods, 1876 

 Stratigraphy

 for Cerithiopsis shikoensis Yokoyama, 1928

Upper Byoritz beds, Shikö, Köshuu, Takao, Taiwan. [details]