Exiligada montejinni F. Criscione, A. Law& F. Köhler, 2012
Amphidromus montesdeocai Thach & F. Huber, 2017
Amplirhagada montesquieuana F. Köhler, 2010
Torresitrachia monticola T. Iredale, 1939
Amplirhagada moraniana F. Köhler, 2011
Trozena morata T. Iredale, 1938
Obba moricandi L. Pfeiffer, 1842
Obba moricandi brunnescens O.F. von Möllendorff,1892
Neocepolis morleti (P. Dautzenberg& d'Hamonville, 1887)
Sphaerospira mortenseni T. Iredale, 1929
Sphaerospira mossmani (J.W. Brazier, 1875)
Papuina motacella L. Pfeiffer
Amphidromus mouhoti (L. Pfeiffer, 1861)
Sphaerospira mourilyani (J.W. Brazier, 1875)
Ramogenia mucida (L. Pfeiffer, 1857)
Trachiopsis mucosa (J.C. Cox, 1868)
Figuladra muirorum J. Stanisic, 2010
Papuina multizona (R.P. Lesson, 1831)
Amphidromus mundus (L. Pfeiffer, 1853)
Sinumelon musgravesi G.A. Solem, 1993
Tatemelon musgum (T. Iredale, 1937)
Satsuma myomphala (E.C. Von Martens, 1865)
Satsuma myomphala euomphala H.A. Pilsbry & Y. Hirase,1908
Satsuma myomphala okinoshimana H.A. Pilsbry & Y. Hirase,1904
Papuina mysolensis (L. Pfeiffer, 1862)
Satsuma nakayamai J.T. Kuroda & H. Minato,1975
Austrochloritis nambucca T. Iredale, 1943
Australocosmica nana F. Criscione & F. Köhler,2013
Amplirhagada napierana G.A. Solem, 1981
Figuladra narelleae J. Stanisic & D.G. Potter,2010
Rhynchotrochus naso (E.C. Von Martens, 1883)
Chloritis nasuta A.R.J.B. Bavay& P. Dautzenberg, 1909
Polydontes natensoni C. de la Torre, 1938
Camaena naujanica J.G. Hidalgo, 1887
Exiligada negriensis T. Iredale, 1939