Cyathopoma micron (H.A. Pilsbry, 1900)
Cyathopoma micron iota H.A. Pilsbry & Y. Hirase,1904
Dicharax micropolitus Páll-Gergely & Hunyadi,2017
Boucardicus milloti E. Fischer-Piette& J. Bedoucha, 1965
Cyclotus mindaiensis (F.S. Bock, 1881)
Leptopoma minus E.C. Von Martens, 1867
Platyrhaphe minutus (A. Adams, 1866)
Ditropis mira O.F. von Möllendorff,1891
Leptopoma mitchelli (E.A. Smith)
Chamalycaeus miyazakii G. Takahashi & T. Habe,1973
Rhiostoma moreleti P. Dautzenberg & A.R.J.B. Bavay,
Leptopoma morleti (FOSSIL) A.E.M. Cossmann, 1892 †
Platyrhaphe mucronata (G.B. Sowerby, 1843)
Leptopoma multilabre J.B.P.A. Lamarck
Leptopoma multilabre lamellatum E.R. Sykes, 1903
Chamalycaeus multirugosus (H.H. Godwin-Austen,1874)
Japonia mundyana (H.H. Godwin-Austen,1889)
Japonia musiva A.A. Gould, 1859
Leptopoma muswarense H.C. Fulton, 1910
Chamalycaeus nagaensis (H.H. Godwin-Austen,1871)
Owensgriffithsius namorokae K.C. Emberton, 2002
Pterocyclus nanus (W.H. Benson, 1851)
Boucardicus nanus E. Fischer-Piette& J. Bedoucha, 1965
Cyclotus natunensis E.A. Smith, 1894
Cyclophorus niahensis H.H. Godwin-Austen, 1889
Pterocyclus niahensis H.H. Godwin-Austen, 1889
Leptopoma niasense H.C. Fulton, 1907
Cyclotus niasensis H.C. Fulton, 1907
Cyclophorus nilagiricus (W.H. Benson, 1852)
Chamalycaeus nipponensis (O.W.H. Reinhardt, 1877)
Cyathopoma nishinoi H. Minato, 1980
Cyathopoma nitidum (R.H. Beddome, 1875)
Leptopoma nitidum (G.B. Sowerby, 1843)
Leptopoma nitidum guimarasensis P. Bartsch, 1918
Leptopoma nitidum taivanum (G.B. Sowerby, 1843)