Emmericia lottii De Stefani, 1877 † accepted as Bithynia leachii (Sheppard, 1823) (source of synonymy)
Emmericia umbra De Stefani, 1877 † (additional source)
Gyraulus loxostoma (De Stefani, 1880) † accepted as Gyraulus albus (O. F. Müller, 1774) (source of synonymy)
Hydrobia stagnalis (Baster, 1765) accepted as Eupaludestrina stagnorum (Gmelin, 1791) (additional source)
Melania (Eumelania) etrusca De Stefani, 1880 † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Melania etrusca De Stefani, 1880 † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Melania granulosa Michelotti, 1840 † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Melania semigranosa Michelotti, 1840 † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Melania verrii De Stefani, 1877 † accepted as Melanoides (Melanoides) curvicosta (Deshayes, 1835) † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Melanoides (Melanoides) curvicosta costillatissima [sic] † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Melanoides (Melanoides) curvicosta dertopraecedens (Sacco, 1895) † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Melanoides (Melanoides) curvicosta dertostricta (Sacco, 1895) † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Melanoides (Melanoides) curvicosta etrusca (De Stefani, 1880) † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Melanoides (Melanoides) curvicosta gracilicosta (F. Sandberger, 1872) † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Melanoides (Melanoides) curvicosta granulosa (Michelotti, 1840) † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Melanoides (Melanoides) curvicosta monolithica (Bukowski, 1892) † accepted as Melanoides tuberculata monolithica (Bukowski, 1892) † (additional source)
Melanoides (Melanoides) curvicosta semigranosa (Michelotti, 1840) † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Melanopsis affinis Pallary, 1916 † accepted as Melanopsis nodosa A. Férussac, 1822 † (additional source)
Melanopsis antiqua Pallary, 1916 † accepted as Melanopsis flammulata De Stefani, 1877 † (additional source)
Melanopsis antiqua tuberosa De Stefani, 1880 † accepted as Melanopsis nodosa A. Férussac, 1822 † (source of synonymy)
Melanopsis flammulata var. tuberosa De Stefani, 1880 † accepted as Melanopsis nodosa A. Férussac, 1822 † (source of synonymy)
Melanopsis oomorpha De Stefani, 1877 † accepted as Melanopsis nodosa A. Férussac, 1822 † (source of synonymy)
Melanopsis semperi De Stefani, 1877 † accepted as Melanopsis nodosa A. Férussac, 1822 † (source of synonymy)
Nematurella meneghiniana (De Stefani, 1875) † accepted as Prososthenia meneghiniana (De Stefani, 1875) † (new combination reference)
Nematurella meneghiniana meneghiniana (De Stefani, 1875) † accepted as Prososthenia meneghiniana (De Stefani, 1875) † (new combination reference)
Nematurella meneghiniana var. etrusca De Stefani, 1880 † accepted as Prososthenia etrusca (De Stefani, 1880) † (status source)
Neritina (Neritaea) J. R. Roth, 1855 accepted as Theodoxus (Neritaea) J. R. Roth, 1855 represented as Theodoxus Montfort, 1810 (basis of record)
Neritina (Neritaea) groyana (A. Férussac, 1823) † accepted as Theodoxus groyanus (A. Férussac, 1823) † (basis of record)
Neritina bronni d'Ancona, 1869 † accepted as Neritina (Neritaea) groyana (A. Férussac, 1823) † accepted as Theodoxus groyanus (A. Férussac, 1823) † (source of synonymy)
Neritina etrusca De Stefani, 1880 † accepted as Theodoxus (Neritaea) groyanus (A. Férussac, 1823) † represented as Theodoxus groyanus (A. Férussac, 1823) † (source of synonymy)
Neritina pantanellii De Stefani, 1877 † accepted as Theodoxus groyanus (A. Férussac, 1823) † (source of synonymy)
Neritina sena Cantraine, 1835 † accepted as Neritina (Neritaea) groyana (A. Férussac, 1823) † accepted as Theodoxus groyanus (A. Férussac, 1823) † (source of synonymy)
Planorbis loxostoma De Stefani, 1880 † accepted as Gyraulus albus (O. F. Müller, 1774) (source of synonymy)
Planorbis spirorbis (Linnaeus, 1758) accepted as Anisus spirorbis (Linnaeus, 1758) (additional source)
Prososthenia interamnae De Stefani, 1880 † accepted as Micromelania zitteli (Schwartz von Mohrenstern, 1864) † (additional source)
Prososthenia meneghiniana (De Stefani, 1875) † (basis of record)
Pseudancylus parmophorus (De Stefani, 1880) † accepted as Ancylus parmophorus De Stefani, 1880 † (status source)
Rissoa meneghiniana De Stefani, 1875 † accepted as Prososthenia meneghiniana (De Stefani, 1875) † (new combination reference)
Stephania Esu & Girotti, 1975 † accepted as Viviparus Montfort, 1810 (original description)
Stephania bronni (d'Ancona, 1867) † accepted as Viviparus ampullaceus (Bronn, 1831) † (basis of record)
Striatella etrusca var. dertopraecedens Sacco, 1895 † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Striatella etrusca var. dertostricta Sacco, 1895 † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Striatella tuberculata var. costicillatissima Sacco, 1895 † accepted as Melanoides curvicosta (Deshayes, 1835) † (source of synonymy)
Theodoxus (Calvertia) bronni (d'Ancona, 1869) † accepted as Neritina (Neritaea) groyana (A. Férussac, 1823) † accepted as Theodoxus groyanus (A. Férussac, 1823) † (source of synonymy)
Theodoxus (Calvertia) etruscus (De Stefani, 1880) † accepted as Theodoxus (Neritaea) groyanus (A. Férussac, 1823) † represented as Theodoxus groyanus (A. Férussac, 1823) † (source of synonymy)
Theodoxus (Calvertia) senus (Cantraine, 1835) † accepted as Neritina (Neritaea) groyana (A. Férussac, 1823) † accepted as Theodoxus groyanus (A. Férussac, 1823) † (source of synonymy)
Theodoxus etruscus (De Stefani, 1880) † accepted as Theodoxus (Neritaea) groyanus (A. Férussac, 1823) † represented as Theodoxus groyanus (A. Férussac, 1823) † (source of synonymy)
Valvata anconae De Stefani, 1877 † (additional source)
Viviparus belluccii De Stefani, 1880 † (additional source)
Viviparus bergeroni etruscus Malatesta, 1964 † accepted as Viviparus belluccii De Stefani, 1880 † (source of synonymy)
Viviparus etruscus narniensis Girotti, 1966 † accepted as Viviparus belluccii narniensis Girotti, 1966 † (new combination reference)