Melanella ochsneri (P. Bartsch, 1917)
Melanella odontoidea (A. Adams, 1861)
Melanella ogasawarana (H.A. Pilsbry, 1905)
Melanella oleacea (J.D. Kurtz & W. Stimpson,1851)
Melanella olssoni P. Bartsch, 1924
Melanella opaca (G.B. II Sowerby, 1865)
Melanella opalina (L. de Folin, 1867)
Melanella opalina (W.B. Marshall, 1901)
Melanella ophiodon W.H. Dall, 1927
Melanella orphanensis A.H. Clarke, 1974
Melanella orthophyes (R. Sturany, 1903)
Melanella otagoensis (A.W.B. Powell, 1927)
Melanella oxyacme (H.H. Suter, 1908)
Melanella oxytata (R.B. Watson, 1883)
Melanella pandata (A. Adams, 1861)
Melanella parallela W.H. Dall, 1927
Melanella patutahiensis (FOSSIL) J. Marwick, 1931 †
Melanella paxillus (C. Hedley, 1904)
Melanella peninsularis P. Bartsch, 1917
Melanella penna W.H. Dall, 1927
Melanella perplexa W.R.B. Oliver, 1915
Melanella persimilis (J.T. Kuroda & T. Habe,1971)
Melanella perversa (K.J. Bush, 1909)
Melanella petitiana Š. Brusina, 1869
Melanella pisinna H.A. Rehder, 1980
Melanella planisutis P. Bouchet & A. Warén,1986
Melanella pocahontasae (J. Henderson & P. Bartsch,1914)
Melanella polita (C. Linnaeus, 1758)
Melanella polita intermedia F.J. Cantraine, 1835
Melanella praecurta (P.M. Pallary, 1904)
Melanella producta (P.P. Carpenter, 1863)
Melanella pseudoglabra (P. Dautzenberg& H. Fischer, 1912)
Melanella puhana (R.K. Dell, 1956)
Melanella retexta (P.P. Carpenter, 1863)
Melanella reticulata P. Bouchet & A. Warén,1986