• Acella gracillima (Bittner, 1884) †: on periphyton
• Acella haldemani (Deshayes, 1867): on periphyton
• Acella lixianensis X.-G. Zhu, 1985 †: on periphyton
• Acella subsimilis Stache, 1889 †: on periphyton
• Acella suptilis (Pavlović, 1931) †: on periphyton
• Acella transsilvanica (L. Roth, 1881) †: on periphyton
• Acroloxus actinophorus C. A. White, 1886 †: on periphyton
• Acroloxus anatolicus Schütt, 1984 †: on periphyton
• Acroloxus arachleicus Kruglov & Starobogatov, 1991: on periphyton
• Acroloxus arenarius (Cossmann, 1889) †: on periphyton
• Acroloxus aspis Kadolsky, 2020 †: on periphyton
• Acroloxus baicalensis Kozhov, 1936: on periphyton
• Acroloxus berellensis (de Laubrière & Carez, 1881) †: on periphyton
• Acroloxus coloradensis (J. Henderson, 1930): on periphyton
• Acroloxus croaticus (Brusina, 1902) †: on periphyton
• Acroloxus culicoides (A. d'Orbigny, 1835): on periphyton
• Acroloxus decussatus (Reuss, 1849) †: on periphyton
• Acroloxus deperditolacustris (Gottschick, 1911) †: on periphyton
• Acroloxus dutemplei (Deshayes, 1863) †: on periphyton
• Acroloxus egirdirensis Shirokaya, 2012: on periphyton
• Acroloxus improvisus Poliński, 1929: on periphyton
• Acroloxus involutus (Pavlović, 1903) †: on periphyton
• Acroloxus kolhymensis Prozorova & Starobogatov, 1998: on periphyton
• Acroloxus korys Kadolsky, 2020 †: on periphyton
• Acroloxus lacustris (Linnaeus, 1758): on periphyton
• Acroloxus likharevi Moskvicheva, Kruglov & Starobogatov, 1991: on periphyton
• Acroloxus lingulata (F. Sandberger, 1880) †: on periphyton
• Acroloxus macedonicus Hadžišče, 1959: on periphyton
• Acroloxus matheroni (de Boissy, 1848) †: on periphyton
• Acroloxus michaudi (Locard, 1878) †: on periphyton
• Acroloxus minutus (Meek & Hayden, 1856) †: on periphyton
• Acroloxus orientalis Kruglov & Starobogatov, 1991: on periphyton
• Acroloxus pseudolacustris Glöer & Pešić, 2012: on periphyton
• Acroloxus tetensi (Kuščer, 1932): on periphyton
• Acroloxus ucrainicus Gozhik & Prysjazhnjuk, 1978 †: on periphyton
• Acroloxus ussuriensis Moskvicheva, Kruglov & Starobogatov, 1991: on periphyton
• Acrorbis petricola Odhner, 1937: on periphyton
• Aenigmomphiscola europaea Kruglov & Starobogatov, 1981: on periphyton
• Aenigmomphiscola uvalievae Kruglov & Starobogatov, 1981: on periphyton
• Afrogyrorbis apertus (E. von Martens, 1897): on periphyton
• Afrogyrorbis bicarinatus (Mandahl-Barth, 1954): on periphyton
• Afrogyrorbis blanfordi (D. S. Brown, 1973): on periphyton
• Afrogyrorbis concavus (Mandahl-Barth, 1954): on periphyton
• Afrogyrorbis crassus (Mandahl-Barth, 1954): on periphyton
• Afrogyrorbis faini (W. Adam, 1957): on periphyton
• Afrogyrorbis gibbonsi (W. Nelson, 1878): on periphyton
• Afrogyrorbis kigeziensis (Preston, 1912): on periphyton
• Afrogyrorbis kisumiensis (Preston, 1912): on periphyton
• Afrogyrorbis natalensis (Krauss, 1848): on periphyton
• Afrogyrorbis pelecystoma (D. S. Brown, 1975): on periphyton
• Afrogyrorbis socotrensis (Godwin-Austen, 1883): on periphyton
• Afrogyrorbis subtilis (Mandahl-Barth, 1954): on periphyton
• Afrophysa brasiliensis (Küster, 1844): on periphyton
• Amecanauta jaliscoensis D. W. Taylor, 2003: on periphyton
• Amerianna angularis L.-S. Huang, 1987 †: on periphyton
• Amerianna buruana (van Benthem Jutting, 1927): on periphyton
• Amerianna carinata (H. Adams, 1861): on periphyton
• Amerianna compar Iredale, 1943: on periphyton
• Amerianna cumingii (H. Adams, 1861): on periphyton
• Amerianna duboisi (van Benthem Jutting, 1937) †: on periphyton
• Amerianna leopoldi (Dupuis, 1931): on periphyton
• Amerianna obesula Iredale, 1943: on periphyton
• Amerianna obiana (Rolle, 1903): on periphyton
• Amerianna papyracea (G. B. Sowerby II, 1874): on periphyton
• Amerianna pesigani Hubendick, 1954: on periphyton
• Amerianna reevii (A. Adams & Angas, 1864): on periphyton
• Amphigyra alabamensis Pilsbry, 1906: on periphyton
• Ampullaceana ampla (W. Hartmann, 1821): on periphyton
• Ampullaceana balthica (Linnaeus, 1758): on periphyton
• Ampullaceana dipkunensis (Gundrizer & Starobogatov, 1979): on periphyton
• Ampullaceana fontinalis (S. Studer, 1820): on periphyton
• Ampullaceana intermedia (Lamarck, 1822): on periphyton
• Ampullaceana lagotis (Schrank, 1803): on periphyton
• Ampullaceana relicta (Poliński, 1929): on periphyton
• Ampullariella microscopica Raspail, 1909 †: on periphyton
• Amuraplexa amurensis (Starobogatov & Prozorova, 1989): on periphyton
• Amuraplexa japonica (Prozorova & Starobogatov, 1998): on periphyton
• Ancylastrum cumingianum (Bourguignat, 1853): on periphyton
• Ancylastrum irvinae (Petterd, 1888): on periphyton
• Ancylina cretacea (Tausch, 1886) †: on periphyton
• Ancylus aduncus A. Gould, 1847: on periphyton
• Ancylus alutae Jekelius, 1932 †: on periphyton
• Ancylus ashangiensis D. S. Brown, 1965: on periphyton
• Ancylus benoitianus Bourguignat, 1862: on periphyton
• Ancylus boettgeri Zinndorf, 1901 †: on periphyton
• Ancylus bourgeoisi Deshayes, 1863 †: on periphyton
• Ancylus boyeri Noulet, 1868 †: on periphyton
• Ancylus braunii Dunker, 1853 †: on periphyton
• Ancylus capuloides Jan, 1838: on periphyton
• Ancylus cestasensis Peyrot, 1933 †: on periphyton
• Ancylus depressus Deshayes, 1824 †: on periphyton
• Ancylus dumasi Fontannes, 1884 †: on periphyton
• Ancylus elegans J. De C. Sowerby, 1826 †: on periphyton
• Ancylus expansilabris Clessin, 1880: on periphyton
• Ancylus fluviatilis O. F. Müller, 1774: on periphyton
• Ancylus hamacenicus Bourguignat, 1883: on periphyton
• Ancylus hungaricus Brusina, 1902 †: on periphyton
• Ancylus lapicidus Hubendick, 1960: on periphyton
• Ancylus lyelli Maillard, 1892 †: on periphyton
• Ancylus moravicus Rzehak, 1893 †: on periphyton