- Ancylus drouetianus Bourguignat, 1853 accepted as Williamia gussoni (O. G. Costa, 1829)
- Ancylus gibbosus (Bourguignat, 1862) accepted as Williamia gussoni (O. G. Costa, 1829)
- Ancylus gussoni O. G. Costa, 1829 accepted as Williamia gussoni (O. G. Costa, 1829)
- Gyraulus deflectus (Say, 1824)
- Helisoma anceps (Menke, 1830)
- Helisoma campanulatum (Say, 1821) accepted as Planorbella campanulata (Say, 1821)
- Planorbella campanulata (Say, 1821)
- Planorbis (Planorbis) planorbis (Linnaeus, 1758) represented as Planorbis planorbis (Linnaeus, 1758)
- Planorbis planorbis (Linnaeus, 1758)