Drymaeus leai H.A. Pilsbry, 1898
Bulimulus lehmanni L. Pfeiffer, 1865
Bostryx lemniscatus (G.P. Deshayes, 1838)
Bostryx lentiformis A.S.H. Breure, 1978
Drymaeus lentiginosus R.A. Philippi, 1869
Cochlorina leporis (J.B.P.A. Lamarck, 1822)
Bostryx lesueureanus (P.M.A. Morelet, 1860)
Drymaeus leucomelas J.A. Albers, 1854
Peronaeus leucostictus R.A. Philippi, 1856
Rabdotus levis W.H. Dall, 1893
Bulimulus lherminieri P. Fischer, 1857
Peronaeus lichenorum (A.V.M.D. D'Orbigny,1835)
Bostryx lichenum (H.H. Beck, 1837)
Drymaeus lilacinus (L.A. Reeve, 1849)
Drymaeus lilacinus jansoni E.C. Von Martens, 1893
Drymaeus liliaceus (A.E.J. Férussac, 1821)
Naesiotus lima P.H. Reibisch, 1892
Drymaeus limicolarioides F. Haas, 1936
Bulimulus limnoides A.E.J. Férussac, 1832
Bostryx limonoicus (A.V.M.D. D'Orbigny,1835)
Drymaeus limpidus H. Drouët, 1859
Mesembrinus lineolatus (T.A. Conrad, 1855)
Drymaeus linostoma (A.V.M.D. D'Orbigny,1835)
Bulimus linteus (FOSSIL) T.A. Conrad, 1871 †
Mesembrinus lirinus P.M.A. Morelet, 1851
Auris listeri W. Wood, 1828
Drymaeus literatus (J.B. von Spix, 1827)
Mesembrinus livescens (L. Pfeiffer, 1842)
Pseudoperonaeus lizarasoae W.K. Weyrauch, 1967
Bostryx llaucanensis W.K. Weyrauch
Neopetraeus lobbii (L.A. Reeve, 1849)
Neopetraeus lobbii ptychostylus (L. Pfeiffer, 1858)
Bulimulus lolae P.H. Scott, 1967
Oxychona lonchostoma (K.T. Menke, 1828)
Bostryx longinquus P.M.A. Morelet, 1863