Delima latilabris boettgeri H. Nordsieck, 1969
Delima latilabris michahellis (H.C. Küster, 1850)
Delima latilabris tenebrosa (H.C. Küster, 1862)
Telophaedusa latilunellaris (O. Böttger& P.B. Schmacker, 1894)
Excussispira laurentiana (O.F. von Möllendorff,1885)
Clausilia lavillei P. Dautzenberg & H. Fischer,1905
Montenegrina laxa H.C. Küster
Montenegrina laxa chiasma H. Nordsieck, 1972
Montenegrina laxa dedovi H. Nordsieck, 2009
Montenegrina laxa delii Z. Fehér & M. Szekeres,2006
Montenegrina laxa disjuncta Z. Fehér & M. Szekeres,2006
Montenegrina laxa iba H. Nordsieck
Montenegrina laxa lakmosensis H. Nordsieck, 2009
Montenegrina laxa miraka H. Nordsieck
Vestiella lazarovii I. Dedov, 2011
Telophaedusa lea (P.V. Gredler, 1892)
Quadriplicata lederi O. Böttger, 1879
Quadriplicata lederi gradata (O. Böttger, 1879)
Quadriplicata lederi martensi H. Nordsieck, 1983
Phaedusa lemani (G.P.L.K. Gude, 1914)
Hemiphaedusa lemyrei A.R.J.B. Bavay& P. Dautzenberg, 1899
Albinaria leonisorum (O. Böttger, 1901)
Paraformosana lepidospira (P.M. Heude, 1889)
Cristataria leprevieri (P.M. Pallary, 1929)
Cristataria leprevieri sahyouensis (P.M. Pallary, 1939)
Liparophaedusa leptotesta H. Nordsieck, 2012
Albinaria lerosiensis (L. Pfeiffer, 1841)
Medora lesinensis (H.C. Küster, 1847)
Euxina lessonae (A. Issel, 1865)
Siciliaria leucophryna (L. Pfeiffer, 1862)
Isabellaria leucorhaphe (O. Böttger, 1878)
Leuconenia leucostoma (E. Neubert& H. Nordsieck, 2005.)
Balea levior (N.H. Odhner, 1960)
Albinaria li F.W. Welter-Schultes,1999
Tsoukatosia liae E. Gittenberger, 2000