Kalidos minangulorchidus K.C. Emberton, 2007
Hemiplecta mindanaensis (C.G. Semper)
Microcystina minima (C.B. Adams, 1867)
Euplecta minor (C. Hedley, 1891)
Kalidos minorchidus K.C. Emberton, 2007
Microcystina mirmido (P. Dautzenberg, 1893)
Philippinella moellendorffi W.E. Collinge, 1899
Vitrinula moluensis (E.A. Smith, 1893)
Naninia monozonatus (J.B.P.A. Lamarck)
Bensonies monticola (F.W. Hutton, 1838)
Euaustenia monticola (L. Pfeiffer)
Kalidos montis E. Fischer-Piette& J. Bedoucha, 1966
Kalidos morambrae K.C. Emberton, 2007
Euplecta mucronifera (C.B. Adams, 1869)
Sitala multivolvis A.R.J.B. Bavay& P. Dautzenberg, 1912
Microcystina muscorum W.S.S. Van Benthem-Jutting,1959
Kalidos namorokae K.C. Emberton, 2007
Cryptozona naninoides (W.H. Benson)
Euplecta neglecta (L. Pfeiffer, 1854)
Kalidos nelamni E. Fischer-Piette, Ch.P. Blanc, F. Blanc& F. Salvat, 1994
Bensonies nepalensis (W.T. Blanford)
Macrochlamys nepas (L. Pfeiffer, 1855)
Sitala nicklesi E. Fischer-Piette, Ch.P. Blanc, F. Blanc& F. Salvat, 1994
Ariophanta nicobarica G.P. Deshayes, 1839
Naninia nitida (O.F. von Möllendorff,1896)
Macrochlamys nitidissima O.F. von Möllendorff,1883
Hemiplecta nobilis (L. Pfeiffer, 1849)
Naninia novaehiberniae (A.E.J. Férussac)
Cryptozona novella (L. Pfeiffer, 1854)
Hemiplecta obliquata (J.B.P.A. Lamarck, 1822)
Hemiplecta obliqueundulata W.S.S. Van Benthem-Jutting,1959
Sitala ochthogyra (O.F. von Möllendorff,1901)
Naninia oldhamiana T. Iredale, 1941
Kalidos oleatus (C.M.F. Ancey, 1902)
Microcystina opaca O.F. von Möllendorff,1901