Japonia lowei (J.J.M. de Morgan, 1885) Malaysia8 mm
Cyclotus lowianus (L. Pfeiffer, 1863)
Theobaldius loxostomus (L. Pfeiffer, 1852)
Cyclophorus lubanicus W.J. Clench & S. Archer,1931
Boucardicus luciae K.C. Emberton, 1994 Madagascar
Rhiostoma macalpinewoodsi F.F. Laidlaw, 1939 Malaysia
Ditropisena macleayi (J.W. Brazier, 1877) Australia
Leptopoma maculatum (H.C. Lea, 1832)
Cyathopoma madio K.C. Emberton, 2010
Boucardicus magnilobatus K.C. Emberton& T.A. Pearce, 1999 Madagascar
Boucardicus mahavariana K.C. Emberton, 2010 Madagascar, Andriantantely
Boucardicus mahermanae K.C. Emberton& T.A. Pearce, 1999 Madagascar
Dioryx major (A.R.J.B. Bavay& P. Dautzenberg, 1900) Vietnam12,7 mm
Cyclophorus malayanus W.H. Benson Thailand48 mm
Lagochilus malleata W.T. Blanford, 1869 India, Western Ghats
Cyclotus mamillaris N.H. Odhner, 1919
Platyrhaphe mamillata (J.F. Quadras& O.F. von Möllendorff, 1893)
Cyclosurus mariei P.M.A. Morelet, 1881 Congo, Pointe Noire
Pterocyclos marioni C.M.F. Ancey, 1898 Laos, Luang Prabang
Cyclophorus martensianus O.F. von Möllendorff,1874 China, Guangxi province40,7 mm
Cyclotus masbatensis H.A. Pilsbry, 1928
Leptopoma massena (R.P. Lesson, 1830)
Alycaeus matchacheepiorum P. Dumrongrojwattana& W.J.M. Maassen, 2008 Thailand8,03 mm
Leptopoma mathildae W.L.H. Dohrn, 1862
Boucardicus matoatoa K.C. Emberton, 2010 Madagascar, Andriantantely
Cyathopoma matsoko K.C. Emberton, 2010
Leptopoma megalostoma O.F. von Möllendorff,1902
Chamalycaeus melanopoma H.A. Pilsbry, 1900 Japan, Kanagawa
Cyclophorus menkeanus (R.A. Philippi, 1848) Sri Lanka30,5 mm
Boucardicus menoi K.C. Emberton, 2010 Madagascar, Andriantantely
Ptychopoma mesageri A.R.J.B. Bavay& P. Dautzenberg, 1900 Vietnam27,3 mm
Dioryx messageri (A.R.J.B. Bavay& P. Dautzenberg, 1900) Vietnam
Chamalycaeus microconus (O.F. von Möllendorff,1886)
Dicharax microcostatus Páll-Gergely, 2017
Chamalycaeus microdiscus (O.F. von Möllendorff,1886)