Volvarina lustra (FOSSIL) N.E. Weisbord, 1962 †
Marginella lutea G.B. III Sowerby, 1889
Volvarina luzmarina J. Espinosa, J.A. Ortea& G. Pérez-Dionis, 2014
Volvarina mabellae (J.C. Melvill & R. Standen,1901)
Volvarina macaoi J. Espinosa, L. Moro& J.A. Ortea, 2011
Demissa maccleeryi F. Boyer, 2016
Marginella macdonaldi (FOSSIL) W.H. Dall, 1912 †
Prunum macleani B. Roth, 1978
Dentimargo macnairi (A.R.J.B. Bavay, 1922)
Prunum macneili (FOSSIL) (E.J. Petuch, 1997 †)
Marginella maculata S.G. Veldsman, 2013
Pugnus maesae B. Roth, 1972
Protoginella maestratii F. Boyer, 2002
Volvarina maestratii J. Espinosa & J.A. Ortea,2012
Serrata magna F. Boyer, 2008
Prunum magnificum (H. Sarasúa, 1989)
Volvarina magnini J. Espinosa & J.A. Ortea,2012
Volvarina maisiana J. Espinosa & J.A. Ortea,2013
Closia majuscula (E.C. Von Martens, 1877)
Marginella majuscula (FOSSIL) Martens, 1877 †
Dentimargo makiyamai (T. Habe, 1951)
Granulina malacitana (FOSSIL) R. La Perna, B.M. Landau& R. Marquet, 2001 †
Dentimargo malakosi (FOSSIL) (Muniz Solis, 2002 †)
Paolaura maldivensis C. Smriglio & P. Mariottini,2001
Demissa maldiviensis F. Boyer, 2016
Alaginella malina (C. Hedley, 1915)
Granulina mamanucensis A. Wakefield & T. McCleery,2004
Mesoginella manawatawhia (A.W.B. Powell, 1937)
Marginella manzimtotiensis S.G. Veldsman, 2017
Marginella maoensis (FOSSIL) C.J. Maury, 1917 †
Ovaginella maoria (A.W.B. Powell, 1937)
Serrata maoriana (A.W.B. Powell, 1932)
Eratoidea margarita (L.C. Kiener, 1834)
Pugnus margaritella M.J. Faber, 2006
Granulina margaritula (P.P. Carpenter, 1857)