Anomia gregaria Bayan, 1870 † (original description)
Bullaea meneghinii Bayan, 1870 † accepted as Floribella meneghinii (Bayan, 1870) † (original description)
Cerithium gomphoceras Bayan, 1870 † accepted as Pseudobellardia gomphoceras (Bayan, 1870) † (original description)
Cypraea lioyi Bayan, 1870 † accepted as Archicypraea lioyi (Bayan, 1870) † (original description)
Cypraea moloni Bayan, 1870 † accepted as Subepona moloni (Bayan, 1870) † (original description)
Cypraea proserpinae Bayan, 1870 † accepted as Luponovula rugosa (Broderip, 1827) † (original description)
Cyrena baylei Bayan, 1870 † accepted as Corbicula baylei (Bayan, 1870) † (original description)
Cyrena veronensis Bayan, 1870 † accepted as Corbicula veronensis (Bayan, 1870) † (original description)
Emarginula camelus Bayan, 1870 † (original description)
Fortisia Bayan, 1870 † accepted as Liocarenus G. F. Harris & Burrows, 1891 † accepted as Hemiauricula Deshayes, 1853 † (original description)
Fortisia hilarionis Bayan, 1870 † accepted as Hemiauricula hilarionis (Bayan, 1870) † (original description)
Hipponyx colum Bayan, 1870 † (original description)
Io aenigmatica Bayan, 1870 † accepted as Tibia aenigmatica (Bayan, 1870) † accepted as Amplogladius aenigmaticus (Bayan, 1870) † (redescription)
Lima papillifera Bayan, 1870 † (additional source)
Natica hortensis Bayan, 1870 † (original description)
Natica pasinii Bayan, 1870 † (original description)
Natica ventroplana Bayan, 1870 † (original description)
Nerita circumvallata Bayan, 1870 † (original description)
Nerita thersites Bayan, 1870 † (original description)
Neritopsis agassizi Bayan, 1870 † (original description)
Oniscia antiqua Bayan, 1870 † accepted as Morum antiquum (Bayan, 1870) † (additional source)
Ostrea roncana Bayan, 1870 † (original description)
Patella boreaui Bayan, 1870 † (original description)
Patella detrita Bayan, 1870 † (original description)
Pecten meneguzzoi Bayan, 1870 † (additional source)
Plagiostoma eocaenicum Bayan, 1870 † (original description)
Rostellaria crucis Bayan, 1870 † (original description)
Rostellaria postalensis Bayan, 1870 † (original description)
Strombus boreli Bayan, 1870 † accepted as Dientomochilus boreli (Bayan, 1870) † (additional source)
Strombus pulcinella Bayan, 1870 † (original description)
Strombus suessi Bayan, 1870 † accepted as Stromboconus suessi (Bayan, 1870) † (original description)
Strombus tournoueri Bayan, 1870 † (original description)
Terebellum pliciferum Bayan, 1870 † (original description)
Voluta bezanconi Bayan, 1870 † (original description)

Italy for Anomia gregaria Bayan, 1870 † 
Italy for Cypraea proserpinae Bayan, 1870 † 
Italy for Cyrena baylei Bayan, 1870 † 
Italy for Cyrena veronensis Bayan, 1870 † 
Italy for Emarginula camelus Bayan, 1870 † 
Italy for Hipponyx colum Bayan, 1870 † 
Italy for Lima papillifera Bayan, 1870 † 
Italy for Natica hortensis Bayan, 1870 † 
Italy for Natica pasinii Bayan, 1870 † 
Italy for Natica ventroplana Bayan, 1870 † 
Italy for Nerita circumvallata Bayan, 1870 † 
Italy for Nerita thersites Bayan, 1870 † 
Italy for Neritopsis agassizi Bayan, 1870 † 
Italy for Oniscia antiqua Bayan, 1870 † 
Italy for Ostrea roncana Bayan, 1870 † 
Italy for Patella boreaui Bayan, 1870 † 
Italy for Patella detrita Bayan, 1870 † 
Italy for Plagiostoma eocaenicum Bayan, 1870 † 
Italy for Rostellaria crucis Bayan, 1870 † 
Italy for Rostellaria postalensis Bayan, 1870 † 
Italy for Strombus pulcinella Bayan, 1870 † 
Italy for Strombus tournoueri Bayan, 1870 † 
Italy for Terebellum pliciferum Bayan, 1870 † 
Italy for Voluta bezanconi Bayan, 1870 † 

 Type locality

 for Cyrena baylei Bayan, 1870 †

Roncà, Verona, Italy [details]

 Type locality

 for Cyrena veronensis Bayan, 1870 †

Roncà, Verona, Italy [details]