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 † (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 † (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 † (original description)
Tapes taiwanensis Yokoyama, 1928 † (original description)
Tellina taiwanica Yokoyama, 1928 † (original description)
Terebra formosana Yokoyama, 1928 † (original description)
Terebra subvariegata Yokoyama, 1928 † (original description)
Turritella filiola Yokoyama, 1928 † (original description)
Venus arisanensis Yokoyama, 1928 † (original description)

Japan for Chione casinaeformis Yokoyama, 1926 † 
Taiwan for Cerithium satoi Yokoyama, 1928 † 
Taiwan for Conus comatosaeformis Yokoyama, 1928 † 
Taiwan for Conus oinouyei Yokoyama, 1928 † 
Taiwan for Crassatellites oinouyei Yokoyama, 1928 † 
Taiwan for Cypraea cinctoides Yokoyama, 1928 † 
Taiwan for Diplodonta murayamai Yokoyama, 1928 † 
Taiwan for Fasciolaria iizukai Yokoyama, 1928 † 
Taiwan for Gibbula tainanica Yokoyama, 1928 † 
Taiwan for Loripes goliath Yokoyama, 1928 † 
Taiwan for Mactra banbakoensis Yokoyama, 1928 † 
Taiwan for Mangilia perparva 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 Meretrix indecoroides Yokoyama, 1928 † 
Taiwan for Pecten (Chlamys) satoi Yokoyama, 1928 † 
Taiwan for Pectunculus formosanus Yokoyama, 1928 † 
Taiwan for Potamides (Batillaria) murayamai Yokoyama, 1928 † 
Taiwan for Potamides muritus Yokoyama, 1928 † 
Taiwan for Pyrula taiwanica Yokoyama, 1928 † 
Taiwan for Rostellaria (Rimella) spinifera var. formosana Yokoyama, 1928 † 
Taiwan for Siliqua intoshiana Yokoyama, 1928 † 
Taiwan for Siphonalia kellettioides Yokoyama, 1928 † 
Taiwan for Tapes taiwanensis Yokoyama, 1928 † 
Taiwan for Tellina taiwanica Yokoyama, 1928 † 
Taiwan for Terebra formosana Yokoyama, 1928 † 
Taiwan for Terebra subvariegata Yokoyama, 1928 † 
Taiwan for Turritella filiola Yokoyama, 1928 † 
Taiwan for Venus arisanensis Yokoyama, 1928 † 
Tasmania for Bythinia dulvertonensis Tenison Woods, 1876 

 Stratigraphy

 for Cerithiopsis shikoensis Yokoyama, 1928

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