Buccinum arpula Michelotti, 1840 † accepted as Zafrona arpula (Michelotti, 1840) † (original description)
Buccinum gigantulum Michelotti, 1840 † accepted as Nassarius gigantulus (Michelotti, 1840) † (original description)
Cyclostoma subcarinata Michelotti, 1840 † accepted as Nematurella subcarinata (Michelotti, 1840) † (original description)
Helix sepulta Michelotti, 1840 † accepted as Cepaea nemoralis sepulta (Michelotti, 1840) † (original description)
Helix vermicularia Michelotti, 1840 † accepted as Eobania vermicularia (Michelotti, 1840) † (original description)
Melania granulosa Michelotti, 1840 † accepted as Melanoides curvicosta (Deshayes, 1835) † (original description)
Melania semigranosa Michelotti, 1840 † accepted as Melanoides curvicosta (Deshayes, 1835) † (original description)
Oniscia verrucosa Michelotti, 1840 † accepted as Morum variolosum (Grateloup, 1834) † (original description)
Turbo quadrula Michelotti, 1840 † (original description)
Turritella nodosa Michelotti, 1840 † accepted as Turritella desmarestina Basterot, 1825 † accepted as Peyrotia desmarestina (Basterot, 1825) † (original description)
Turritella ornata Michelotti, 1840 † accepted as Cerithium charpentieri Basterot, 1825 † accepted as Campanile charpentieri (Basterot, 1825) † (original description)
Turritella renierii Michelotti, 1840 † accepted as Turritella subangulata (Brocchi, 1814) † accepted as Oligodia spirata (Brocchi, 1814) † (original description)
Turritella variabilis Michelotti, 1840 † accepted as Turritella brocchii Bronn, 1831 † (original description)

Italy for Buccinum gigantulum Michelotti, 1840 † 
Italy for Cyclostoma subcarinata Michelotti, 1840 † 
Italy for Cyclostoma subcarinata Michelotti, 1840 † 
Italy for Helix sepulta Michelotti, 1840 † 
Italy for Helix vermicularia Michelotti, 1840 † 
Italy for Melania granulosa Michelotti, 1840 † 
Italy for Melania semigranosa Michelotti, 1840 † 
Italy for Oniscia verrucosa Michelotti, 1840 † 
Italy for Turritella nodosa Michelotti, 1840 † 
Italy for Turritella ornata Michelotti, 1840 † 

 Authority

 for Buccinum gigantulum Michelotti, 1840 †

ex Bonelli MS. [details]

 Original description

 for Turritella variabilis Michelotti, 1840 †

Michelotti (1840:142 - in text) considered Turritella imbricataria Lamarck (as listed by Brocchi), Turritella ... [details]

 Type locality

 for Cyclostoma subcarinata Michelotti, 1840 †

Astigiana, Asti, and Villalvernia ("Villavernia presso Tortona"), Alessandria, Italy; late Pliocene, and late ... [details]

 Type locality

 for Melania semigranosa Michelotti, 1840 †

Sant'Agata Fossili ("S. Agata nel Tortonese"), Alessandria, Italy; Tortonian to early Messinian, late Miocene [details]