Pleurotomoides lyciaca (L.A. Reeve, 1844)
Scobinella lyra (FOSSIL) (G.P. Deshayes, 1834 † †)
Glyphostoma lyuhrurngae K.Y. Lai, 2005
Scobinella macer (FOSSIL) T.L. Casey, 1903 †
Clathurella macrostoma (L.A. Reeve, 1846)
Pleurotomoides maculosa (W.H. Pease, 1863)
Glyphostoma maldivica A.V. Sysoev, 1996
Lienardia marchei F.P. Jousseaume, 1884
Glyphostoma marionae (FOSSIL) A.A. Olsson & A. Harbison,1953 †
Clathurella marmorosa (L.A. Reeve, 1846)
Clathurella martini (FOSSIL) E.W. Vredenburg, 1921 †
Clathurella maryae J.H. McLean & L.H. Poorman,1971
Clathurella masoni G. Nevill & H. Nevill,1875
Clathurella meheusti P. Dautzenberg, 1912
Scobinella meloda (FOSSIL) A.A. Olsson, 1931 †
Nannodiella meridionalis (FOSSIL) H.A. Pilsbry& A.A. Olsson, 1941 †
Glyphostoma mexicana (FOSSIL) F. Toula, 1911 †
Lienardia mighelsi T. Iredale& J.R. le B. Tomlin, 1917
Thetidos minutissima A.E. Fedosov& P. Stahlschmidt, 2014
Etrema minutissimelirata (J.L. Bouge& P. Dautzenberg, 1914)
Glyphostoma montrouzieri (S.M. Souverbie, 1860)
Scobinella morierei (FOSSIL) A.E.M. Cossmann, 1913 †
Turrella morologus (C. Hedley, 1922)
Acamptogenotia morreni (FOSSIL) (de Koninck, 1837 †)
Thetidos morsura C. Hedley, 1899
Lienardia multicolor A.E. Fedosov, 2011
Lienardia multinoda C. Hedley, 1922
Clathurella mutica (R.B. Hinds, 1843)
Glyphostoma myrae D.R. Shasky, 1971
Nannodiella nana (W.H. Dall, 1918)
Glyphostoma nannophues (FOSSIL) J. Gardner, 1938 †
Etrema nassoides (L.A. Reeve, 1845)
Pleurotomoides naumanni (FOSSIL) (Speyer, 1867 †)
Glyphostoma neglecta (R.B. Hinds, 1843)
Nannodiella nemorensis (FOSSIL) (C.J. Maury, 1910 †)