Anodonta pebasana Conrad, 1874 † accepted as Anodontites batesii (H. Woodward, 1871) † (original description)
Cirrobasis Conrad, 1874 † (original description)
Cirrobasis venusta Conrad, 1874 † (original description)
Cyclocheila Conrad, 1874 † accepted as Littoridina Souleyet, 1852 (original description)
Cyclocheila pebasana Conrad, 1874 † accepted as Littoridina pebasana (Conrad, 1874) † (original description)
Dreissena (Mytiloides) Brongniart, 1822 † accepted as Mytiloides Brongniart, 1822 † (basis of record)
Dreissena (Mytiloides) scripta Conrad, 1874 † accepted as Mytilopsis scripta (Conrad, 1874) † (original description)
Hemisinus steerei Conrad, 1874 † (original description)
Liosoma Conrad, 1874 † accepted as Wesselinghia Kadolsky, 2021 † (original description)
Liosoma curta Conrad, 1874 † accepted as Wesselinghia curta (Conrad, 1874) † (original description)
Ostomya Conrad, 1874 † (original description)
Ostomya papyria Conrad, 1874 † (original description)
Pachydon (Anisorhynchus) Conrad, 1871 † accepted as Ursirivus H. E. Vokes, 1945 † (basis of record)
Pachydon (Anisorhynchus) dispar Conrad, 1874 † accepted as Exallocorbula dispar (Conrad, 1874) † (original description)
Pachytoma tertiana Conrad, 1874 † accepted as Tropidebora tertiana (Conrad, 1874) † (original description)
Toxosoma Conrad, 1874 † (original description)
Toxosoma eborea Conrad, 1874 † accepted as Toxosoma eboreum Conrad, 1874 † (original description)
Triquetra longula Conrad, 1874 † accepted as Diplodon longulus (Conrad, 1874) † (original description)