Alvania cathyae Landau, Marquet & Grigis, 2004 † (original description)
Alvania diadema (De Stefani, 1875) † (basis of record)
Alvania seanlandaui Landau, Marquet & Grigis, 2004 † (original description)
Cerithioderma pliocenica Landau, Marquet & Grigis, 2004 † (original description)
Cerithium crenatum (Brocchi, 1814) † (basis of record)
Cerithium varicosum (Brocchi, 1814) † (basis of record)
Circulus miotaurinensis (Sacco, 1896) † (new combination reference)
Crepidula gibbosa Defrance, 1818 † (basis of record)
Echinolittorina ariesensis (Fontannes, 1880) † (new combination reference)
Haloceras contribulis Bertolaso & Palazzi, 2000 † accepted as Haloceras contribule Bertolaso & Palazzi, 2000 † (additional source)
Hipponix bistriatus (Grateloup, 1836) † (basis of record)
Hipponix explicatus Landau, Marquet & Grigis, 2004 † (original description)
Macromphalina depressa (O. Boettger, 1907) † (basis of record)
Macromphalina plioastensis (Sacco, 1896) † (basis of record)
Macromphalus lozoueti Landau, Marquet & Grigis, 2004 † (original description)
Melarhaphe silvae Landau, Marquet & Grigis, 2004 † (original description)
Microstelma lapernai Landau, Marquet & Grigis, 2004 † (original description)
Nerita emiliana Mayer, 1872 † (basis of record)
Pseudocirsope basterotina (Bronn, 1831) † (basis of record)
Solariorbis woodi (M. Hörnes, 1855) † (basis of record)
Tornus excalliferus (Sacco, 1896) † (basis of record)
Turritella spirata (Brocchi, 1814) † (basis of record)
Zebina volaterrana (De Stefani, 1875) † (new combination reference)