Parvedentulina lalina K.C. Emberton, 2002
Gulella laninifia K.C. Emberton, 2002
Gonaxis latula (E.C. Von Martens, 1895)
Gulella lawrencei A.C. van Bruggen, 1964
Indoartemon layardianus (W.H. Benson, 1853)
Discartemon lemyrei (L.J. Morlet, 1883)
Discartemon leptoglyphus W.S.S. Van Benthem-Jutting,1954
Tortigulella lessensis H.A. Pilsbry, 1919
Gulella leucocion M. Connolly, 1929
Edentulina liberiana (H.C. Lea, 1840)
Gulella lincolni K.C. Emberton& R.J. Griffiths, 2009
Gulella linguidens M. Connolly, 1939
Primigulella linguifera (E.C. Von Martens, 1895)
Gulella lohabea K.C. Emberton, 2001
Gulella lornae B. Verdcourt, 1953
Plicigulella loveridgei A.C. van Bruggen, 1996
Parvedentulina lsimahialamboensis K.C. Emberton, 2002
Gulella ludwigi B. Verdcourt & L.A.W.C. Venmans,
Streptaxis luetzelburgi E. Weber, 1925
Bruggennea luminifera J.J. Vermeulen, 2007
Streptaxis lutzelburgi E. Weber, 1925
Gibbus lyonetianus (P.S. Pallas, 1774)
Perrottetia mabillei (A.R.J.B. Bavay& P. Dautzenberg, 1903)
Parvedentulina macroconspicua K.C. Emberton, 2002
Gibbulinella macrogira (A. Mousson, 1872)
Gonospira madgei A.S. Kennard, 1943
Parvedentulina magna K.C. Emberton, 2002
Gulella magnifica K.C. Emberton, 2001
Gulella magnorchida K.C. Emberton, 2001
Gulella mahafinaritra K.C. Emberton, 2001
Gulella mahagaga K.C. Emberton, 2001
Parvedentulina mahalevona K.C. Emberton, 2002
Gulella mahia K.C. Emberton, 2001
Parvedentulina mahialamboensis (K.C. Emberton& T.A. Pearce, 1999)
Parvedentulina mahitsia K.C. Emberton, 2002