1. Species Lymneus appressus Say, 1821 accepted as Lymnaea stagnalis appressa (Say, 1821) accepted as Lymnaea appressa (Say, 1821) accepted as Lymnaea jugularis Say, 1817 (basionym)
2. Species Lymneus caperatus Say, 1829 accepted as Hinkleyia caperata (Say, 1829)
3. Species Lymneus cylindricus A. Férussac, 1814 † accepted as Radix cylindrica (A. Férussac, 1814) † (unaccepted > superseded combination)
4. Species Lymneus desidiosus Say, 1821 accepted as Ladislavella elodes (Say, 1821) (a junior synonym)
5. Species Lymneus elodes Say, 1821 accepted as Ladislavella elodes (Say, 1821) (original combination)
6. Species Lymneus emarginatus Say, 1821 accepted as Ladislavella emarginata (Say, 1821) (original combination)
7. Species Lymneus galbanus Say, 1825 accepted as Galba galbana (Say, 1825) (original combination)
8. Species Lymneus geoffrasti A. Férussac, 1807 (unaccepted > nomen nudum)
9. Species Lymneus humilis Say, 1822 accepted as Galba humilis (Say, 1822) (original combination)
10. Species Lymneus macrostomus Say, 1821 accepted as Pseudosuccinea columella (Say, 1817)
11. Species Lymneus modicellus Say, 1825 accepted as Galba modicella (Say, 1825) (original combination)
12. Species Lymneus naticoideum A. Férussac, 1807 (unaccepted > nomen nudum)
13. Species Lymneus obrussus Say, 1825 accepted as Galba obrussa (Say, 1825) (original combination)
14. Species Lymneus orelongo Boubée, 1831 † accepted as Stagnicola orelongo (Boubée, 1831) † (unaccepted > superseded combination)
15. Species Lymneus pinguis Say, 1825 accepted as Catascopia catascopium (Say, 1817) accepted as Ladislavella catascopium (Say, 1817)
16. Species Lymneus pyramidalis A. Férussac, 1814 † accepted as Radix pyramidalis (A. Férussac, 1814) † (unaccepted > superseded combination)
17. Species Lymneus reflexus Say, 1821 accepted as Catascopia elodes (Say, 1821) accepted as Ladislavella elodes (Say, 1821)
18. Species Lymneus rivale A. Férussac, 1812 † accepted as Lymnaea rivalis A. Férussac, 1812 † (genus misspelt)
19. Species Lymneus symetricus A. Férussac, 1814 † accepted as Radix symetrica (A. Férussac, 1814) † (unaccepted > superseded combination)
20. Species Lymneus urceolatus A. Braun, 1851 † accepted as Lymnaea urceolata A. Braun, 1851 † (genus misspelt)
21. Species Lymneus viridanus A. Férussac, 1814 † accepted as Galba viridana (A. Férussac, 1814) † (unaccepted > superseded combination)
22. Species Lymneus brevis de Serres, 1827 † (uncertain > taxon inquirendum)

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