Parvedentulina malala K.C. Emberton, 2002 Madagascar
Molarella malasangiensis (H.B. Preston, 1913)
Parvedentulina mamirapiratra K.C. Emberton, 2002 Madagascar
Parvedentulina mananarae K.C. Emberton, 2002 Madagascar
Parvedentulina mandenae K.C. Emberton, 2002 Madagascar
Parvedentulina manja K.C. Emberton, 2002 Madagascar
Parvedentulina manomboae K.C. Emberton, 2002 Madagascar
Parvedentulina manomponae K.C. Emberton, 2002 Madagascar
Elma mansuyi (P. Dautzenberg& H. Fischer, 1905) Vietnam, Tonkin
Streptostele manumbensis K.C. Emberton, 1994 Madagascar26,3 mm
Parvedentulina maranitra K.C. Emberton, 2002 Madagascar
Parvedentulina margostriata K.C. Emberton& T.A. Pearce, 2000 Madagascar
Parvedentulina marojejyae K.C. Emberton, 2002 Madagascar
Ptychotrema martensi (A. d'Ailly, 1897)
Edentulina martensi (E.A. Smith, 1882)
Paucidentina masisiensis H.A. Pilsbry, 1919
Gulella masoalae K.C. Emberton, 2001 Madagascar
Ennea massauense K.H.J. Thiele, 1933 Eritrea, Massawa
Gulella matavymolotra K.C. Emberton, 2002 Madagascar
Elma matskasii A. Varga, 2012 Vietnam, Lao Cai
Gonaxis maugerae (J.E. Gray, 1837)
Gulella mayottensis (M. Connolly, 1885) Mayotte Island
Parennea mazumbaiense P. Tattersfield, 1998 Tanzania, Usambara
Ptychotrema mazumbiensis P. Tattersfield, 1999
Perrottetia megadentata Inkhavilay & S. Panha,2016
Discartemon megalostraka T. Siriboon & S. Panha,2014 Malaysia, Kelantan
Gulella menkeana (L. Pfeiffer, 1853) South Africa, KwaZulu, Natal
Elma messageri (A.R.J.B. Bavay& P. Dautzenberg, 1903) Vietnam, Tonkin
Parvedentulina metula (J.C.H. Crosse, 1881) Madagascar
Costigulella mfamosingi O.C. Oke, 2013 Nigeria3 mm
Gulella miaranoniae K.C. Emberton, 2001 Madagascar
Oophana michaui (J.C.H. Crosse& P.H. Fischer, 1863) South Vietnam
Gulella michellae K.C. Emberton, 2001
Gulella microstriata K.C. Emberton, 2001
Gulella mihomehia K.C. Emberton, 2001