Anisocardia eocaenica Bayan, 1873 † accepted as Miocardiopsis eocaenica (Bayan, 1873) † (original description)
Anomia psamatheis Bayan, 1873 † (original description)
Arca gervaisi Bayan, 1873 † accepted as Barbatia gervaisi (Bayan, 1873) † (original description)
Arca lissa Bayan, 1873 † accepted as Trigonodesma lissa (Bayan, 1873) † (original description)
Buchozia Bayan, 1873 † (original description)
Bulla elacate Bayan, 1873 † accepted as Roxania elacate (Bayan, 1873) † (original description)
Cancellaria rhabdota Bayan, 1873 † accepted as Unitas rhabdota (Bayan, 1873) † (original description)
Cardita eudaedalea Bayan, 1873 † accepted as Venericardia eudaedalea (Bayan, 1873) † (original description)
Cardium capsoides Bayan, 1873 † accepted as Papyridea capsoides (Bayan, 1873) † (original description)
Conus macrocentrus Bayan, 1873 † accepted as Hemiconus macrocentrus (Bayan, 1873) † (original description)
Cultellus cladarus Bayan, 1873 † accepted as Phaxas cladarus (Bayan, 1873) † (original description)
Cytherea sphenarium Bayan, 1873 † accepted as Tivelina sphenarium (Bayan, 1873) † (original description)
Fusus axestus Bayan, 1873 † accepted as Eocantharus axestus (Bayan, 1873) † (original description)
Lacuna loveni Bayan, 1873 † accepted as Elachisina loveni (Bayan, 1873) † (original description)
Littorina munieri Bayan, 1873 † (original description)
Mactra loustauae Bayan, 1873 † accepted as Austromactra loustauae (Bayan, 1873) † (original description)
Pleurotoma glyphana Bayan, 1873 † accepted as Turricula glyphana (Bayan, 1873) † (original description)
Pleurotoma polycesta Bayan, 1873 † accepted as Turricula polycesta (Bayan, 1873) † (original description)
Pleurotoma streptophora Bayan, 1873 † accepted as Crassispira streptophora (Bayan, 1873) † (original description)
Sphenia nitens Bayan, 1873 † (original description)
Tellina colpodes Bayan, 1873 † accepted as Arcopagia colpodes (Bayan, 1873) † (original description)