Abida bythiniformis (K. Miller, 1907) † (basis of record)
Abida oryza (F. E. Edwards, 1852) † accepted as Granaria oryza (F. E. Edwards, 1852) † (basis of record)
Abida servasensis (Fontannes, 1884) † (basis of record)
Abida subvariabilis (F. Sandberger, 1858) † accepted as Granaria subvariabilis (F. Sandberger, 1858) † (basis of record)
Abida subvariabilis ulmensis Wenz, 1923 † accepted as Granaria subvariabilis (F. Sandberger, 1858) † (original description)
Abida vouastensis (Raspail, 1909) † (basis of record)
Acanthinula archiaci (de Boissy, 1848) † (basis of record)
Acanthinula armoricensis (Cossmann, 1902) † (basis of record)
Acanthinula cenchridium (Cossmann, 1902) † (basis of record)
Acanthinula dumasi (de Boissy, 1848) † (basis of record)
Acanthinula hesslerana Jooss, 1911 † (basis of record)
Acanthinula imperforata (K. Miller, 1907) † (basis of record)
Acanthinula paludinaeformis (F. Sandberger, 1858) † (basis of record)
Acanthinula paronae (Sacco, 1887) † (basis of record)
Acanthinula stampinensis (Deshayes, 1863) † (basis of record)
Acanthinula stueri (Cossmann, 1892) † (basis of record)
Acanthinula trochulus (F. Sandberger, 1872) † (basis of record)
Acanthinula tuchoricensis (Klika, 1891) † (basis of record)
Acanthopupa joossi Wenz, 1914 † (basis of record)
Acella gracillima (Bittner, 1884) † (basis of record)
Achatina columnella Deshayes, 1863 † accepted as Scalaxis columnella (Deshayes, 1863) † (additional source)
Achatina electa Deshayes, 1863 † accepted as Palaeoglandina gracilis (Zieten, 1832) † (source of synonymy)
Achatina lubricella A. Braun, 1851 † accepted as Hypnophila subrimata (Reuss, 1849) † (source of synonymy)
Achatina rillyensis var. sinistra "de Boissy, 1848" † accepted as Scalaxis sinister Wenz, 1923 † accepted as Scalaxis columnella (Deshayes, 1863) † (basis of record)
Acme (Platyla) subpolita Gottschick, 1921 † accepted as Platyla subpolita (Gottschick, 1921) † (additional source)
Acme alta Clessin, 1911 † accepted as Platyla alta (Clessin, 1911) † (basis of record)
Acme beatricis Gaál, 1910 † accepted as Platyla beatricis (Gaál, 1910) † (basis of record)
Acme callosiuscula Andreae, 1904 † accepted as Platyla callosiuscula (Andreae, 1904) † (basis of record)
Acme eocaena Oppenheim, 1895 † accepted as Platyla eocaena (Oppenheim, 1895) † (basis of record)
Acme laevissima Klika, 1891 † accepted as Acicula limbata Reuss, 1861 † (basis of record)
Acme michaudi Locard, 1878 † accepted as Platyla michaudi (Locard, 1878) † (basis of record)
Acme subfusca Flach, 1889 † accepted as Platyla subfusca (Flach, 1889) † (basis of record)
Acmopupa subtilissima (F. Sandberger, 1858) † (basis of record)
Acroreia baylei (Cossmann, 1882) † (basis of record)
Acrostele Wenz, 1925 † (basis of record)
Acrostele acicula (F. Sandberger, 1871) † (basis of record)
Agardhia reperta Wenz, 1922 † accepted as Argna reperta (Wenz, 1922) † (basis of record)
Alexia suturalis F. Sandberger, 1871 † accepted as Ellobium grateloupi grateloupi (Tournouër, 1871) † (source of synonymy)
Allognathus (Iberellus) ogdeni (Kennard & B. B. Woodward, 1914) † represented as Allognathus ogdeni (Kennard & B. B. Woodward, 1914) † (basis of record)
Amalia marginata var. vicentina Sacco, 1889 † (additional source)
Amalia oppoliensis Andreae, 1904 † accepted as Milax oppoliensis (Andreae, 1904) † (new combination reference)
Amalia oppoliensis var. ancyloides Andreae, 1904 † accepted as Milax oppoliensis (Andreae, 1904) † (additional source)
Ammonitella lunata (Conrad, 1871) † (additional source)
Amnicola (Amnicola) curta (Reuss, 1867) † accepted as Pseudamnicola curtus (Reuss, 1867) † (basis of record)
Amnicola (Amnicola) partschi (M. Hörnes, 1856) † accepted as Pseudamnicola partschi (M. Hörnes, 1856) † (basis of record)
Amnicola (Staja) taediosa (Brusina, 1892) † accepted as Staja taediosa (Brusina, 1892) † (basis of record)
Amnicola andersoni Arnold, 1909 † accepted as Hydrobia andersoni (Arnold, 1909) † (additional source)
Amnicola convexa F. Sandberger, 1875 † accepted as Pseudamnicola convexus (F. Sandberger, 1875) † (additional source)
Amnicola glaberrima O. Boettger, 1875 † accepted as Mercuria glaberrima (O. Boettger, 1875) † (additional source)
Amnicola torbariana Brusina, 1874 † accepted as Bania torbariana (Brusina, 1874) † (additional source)
Amnicola turonensis F. Sandberger, 1872 † accepted as Pseudamnicola turonensis (F. Sandberger, 1872) † (additional source)
Amphimelania fossariformis (Tournouër, 1879) † accepted as Holandriana fossariformis (Tournouër, 1879) † (basis of record)
Amphimelania frici Brusina, 1897 † accepted as Holandriana frici (Brusina, 1897) † (basis of record)
Amphimelania fuchsi Wenz, 1928 † accepted as Holandriana fuchsi (Wenz, 1928) † (basis of record)
Amphimelania krambergeri Brusina, 1902 † accepted as Holandriana krambergeri (Brusina, 1902) † (basis of record)
Amphimelania macedonica (Burgerstein, 1877) † accepted as Holandriana macedonica (Burgerstein, 1877) † (basis of record)
Amphimelania patula (Bellardi & Michelotti, 1840) † accepted as Holandriana patula (Bellardi & Michelotti, 1840) † (basis of record)
Amphimelania patula propatula (Sacco, 1886) † accepted as Holandriana patula propatula (Sacco, 1886) † (basis of record)
Amphimelania ricinus (Neumayr, 1875) † accepted as Holandriana ricinus (Neumayr, 1875) † (basis of record)
Amphimelania serbica (Živković, 1893) † accepted as Holandriana serbica (Živković, 1893) † (basis of record)
Ancylus (Ancylastrum) obtusus Rzehak, 1893 † accepted as Ancylus moravicus Rzehak, 1893 † (additional source)
Ancylus (Ancylastrum) simplex (Buc'hoz, 1771) accepted as Ancylus fluviatilis O. F. Müller, 1774 (source of synonymy)
Ancylus berellensis de Laubrière & Carez, 1881 † accepted as Acroloxus berellensis (de Laubrière & Carez, 1881) † (basis of record)
Ancylus boettgeri Zinndorf, 1901 † (basis of record)
Ancylus bourgeoisi Deshayes, 1863 † (basis of record)
Ancylus boyeri Noulet, 1868 † (basis of record)
Ancylus braunii Dunker, 1853 † (additional source)
Ancylus croaticus Brusina, 1902 † accepted as Acroloxus croaticus (Brusina, 1902) † (basis of record)
Ancylus decussatus Reuss, 1849 † accepted as Acroloxus decussatus (Reuss, 1849) † (basis of record)
Ancylus depressus Deshayes, 1824 † (basis of record)
Ancylus dimici Brusina, 1902 † accepted as Ferrissia dimici (Brusina, 1902) † (additional source)
Ancylus dogei Maillard, 1892 † accepted as Ancylus lyelli Maillard, 1892 † (source of synonymy)
Ancylus dutemplei Deshayes, 1863 † accepted as Acroloxus dutemplei (Deshayes, 1863) † (basis of record)
Ancylus elegans J. De C. Sowerby, 1826 † (basis of record)
Ancylus involutus Pavlović, 1903 † accepted as Acroloxus involutus (Pavlović, 1903) † (basis of record)
Ancylus lyelli Maillard, 1892 † (additional source)
Ancylus matheroni de Boissy, 1848 † accepted as Acroloxus matheroni (de Boissy, 1848) † (basis of record)
Ancylus matheroni var. lemoinei Cossmann, 1889 † accepted as Acroloxus matheroni lemoinei (Cossmann, 1889) † (basis of record)
Ancylus michaudi Locard, 1878 † accepted as Acroloxus michaudi (Locard, 1878) † (basis of record)
Ancylus oblongus Clessin, 1912 † accepted as Ferrissia deperdita oblonga (Clessin, 1912) † (basis of record)
Anisus (Disculifer) omalus (Bourguignat, 1881) † represented as Anisus omalus (Bourguignat, 1881) † (additional source)
Anisus rousianus (Noulet, 1854) † (additional source)
Aphanotylus Brusina, 1894 † accepted as Valvata (Aphanotylus) Brusina, 1894 † represented as Valvata O. F. Müller, 1773 (status source)
Aphanotylus cossmanni Brusina, 1894 † accepted as Valvata (Aphanotylus) cossmanni (Brusina, 1894) † represented as Valvata cossmanni (Brusina, 1894) † (status source)
Aphanotylus fuchsi Brusina, 1894 † accepted as Valvata (Aphanotylus) fuchsi (Brusina, 1894) † represented as Valvata fuchsi (Brusina, 1894) † (new combination reference)
Aplexa brevispirata (Cossmann & Pissarro, 1913) † accepted as Aplexa cotiensis Pacaud, 2022 † (basis of record)
Aplexa gigantea (Michaud, 1837) † (basis of record)
Aplexa grasseti (Matheron, 1878) † (basis of record)
Aplexa heberti (Deshayes, 1863) † (basis of record)
Aplexa jaimei (Hermite, 1879) † (basis of record)
Aplexa praelonga (Matheron, 1861) † (basis of record)
Aplexa primigenia (Deshayes, 1863) † (basis of record)
Aplexa prisca (Noulet, 1854) † (basis of record)
Aplexa prisca abbreviata (Noulet, 1854) † (source of synonymy)
Aplexa prisca elongata (Noulet, 1854) † (source of synonymy)
Aplexa prisca gracilis (Noulet, 1854) † (source of synonymy)
Aplexa pseudogigantea (F. Sandberger, 1870) † (basis of record)
Aplexa pulchella (A. d'Orbigny, 1850) † (basis of record)
Aplexa subhypnorum physaeformis Gottschick, 1920 † (basis of record)
Aplexa subhypnorum subhypnorum Gottschick, 1920 † (basis of record)