Imparietula leucodon (L. Pfeiffer, 1846)
Pseudonapaeus leucopleurus (W.A. Lindholm, 1927)
Pseudonapaeus leucoptychus (C.M.F. Ancey, 1886)
Differena leucostoma A.A. Schileyko, 1984
Napaeus lichenicola M.R. Alonso & C.M. Ibáñez,2007
Euchondrus limbodentatus (A. Mousson, 1854)
Pseudonapaeus lindholmi A.G. Kuznetsov, 1999
Jaminia loewii R.A. Philippi, 1844
Jaminia loewii godetiana W. Kobelt, 1899
Yakuena luchuanus H.A. Pilsbry
Chondrula lugorensis A.J. Wagner, 1914
Mirus lugulosus (O.F. von Möllendorff,1900)
Jaminia lycaonica R. Sturany, 1904
Buliminus lycicus L. Pfeiffer, 1846
Chondrula macedonica A.J. Wagner, 1915
Amimopina macleayi (J.W. Brazier, 1876)
Subzebrinus macrostoma (O.F. von Möllendorff,1902)
Napaeus maculatus S.L. Goodacre, 2006
Napaeinus maffioteanus (A. Mousson, 1872)
Napaeus magnus Yanes, Deniz, Alonso& Ibáñez, 2013
Asuranena margaritae (A.A. Schileyko& S.E. Moiseeva, 1989)
Mauronapaeus marteli P.M. Pallary, 1918
Asuranena martensiana (E.C. Von Martens, 1874)
Pupinidius melinostoma (O.F. von Möllendorff,1902)
Ena menkhorsti B. Hausdorf & R.A. Bank,2001
Napaeopsis mennoi E. Gittenberger, 2008
Napaeopsis merditanus (R. Sturany, 1907)
Peristoma merdueniana I. Krynicki, 1833
Asuranena meschkovi (A.A. Schileyko, 1984)
Turanena meshkovi A.A. Schileyko, 1984
Coccoderma messageri (A.R.J.B. Bavay& P. Dautzenberg, 1900)
Cirna micelii (W. Kobelt, 1885)
Chondrula microtragus E.A. Rossmässler, 1839
Zebrina mienisi E. Gittenberger, 1986
Coniconapaeus milevianus (W.J. Raymond, 1853)