Brotiopsis K. Suzuki, 1943 † (original description)
Brotiopsis kobayashii K. Suzuki, 1943 † (original description)
Brotiopsis kobayashii sinsyuensis K. Suzuki, 1943 † (original description)
Brotiopsis wakinoensis ryohoriensis K. Suzuki, 1943 † accepted as Brotiopsis wakinoensis (T. Kobayashi & K. Suzuki, 1936) † (original description)
Bulimus rakutoensis K. Suzuki, 1943 † accepted as Bithynia rakutoensis (K. Suzuki, 1943) † (original description)
Hydrobia (Pachydrobia) Crosse & P. Fischer, 1876 accepted as Pachydrobia Crosse & P. Fischer, 1876 (basis of record)
Hydrobia (Pachydrobia) gyokusoensis K. Suzuki, 1943 † accepted as Pachydrobia gyokusoensis (K. Suzuki, 1943) † (original description)
Itomelania K. Suzuki, 1943 † (original description)
Itomelania basicordata H. Suzuki, 1943 † (original description)
Micromelania katoensis K. Suzuki, 1943 † (original description)
Nakamuranaia K. Suzuki, 1943 † (original description)
Plicatounio naktongensis multiplicatus K. Suzuki, 1943 † accepted as Plicatounio naktongensis T. Kobayashi & K. Suzuki, 1936 † (original description)
Schistodesmus antiqus K. Suzuki, 1943 † (original description)
Viviparus (Sinotaia) F. Haas, 1939 accepted as Sinotaia F. Haas, 1939 (basis of record)
Viviparus (Sinotaia) keisyoensis K. Suzuki, 1943 † accepted as Viviparus onogoensis T. Kobayashi & K. Suzuki, 1937 † (original description)