Eulima petterdi R.H. Beddome, 1883
Vitreolina philippi (A.G. de Rayneval& G. Ponzi, 1854)
Eulima philippiana R.W. Dunker, 1860
Eulima philippii H.C. Weinkauff, 1868
Echineulima philippinarum (G.B. III Sowerby, 1900)
Trochostilifer phyllacanthicola T. Habe, 1989
Ochetochilus piceus (FOSSIL) J. Szabo, 1983 †
Lissochilina picta (FOSSIL) E.A.L. Kittl, 1894 †
Eulima picturata (C.B. Adams, 1864)
Curveulima pinguicula (A. Adams, 1861)
Sticteulima piperata (G.B. Sowerby, 1901)
Sticteulima pipus (P.F. Röding, 1798)
Vitreolina piriformis (FOSSIL) (G.A. Brugnone, 1873 †)
Melanella pisinna H.A. Rehder, 1980
Leiostraca pistillum (A. Adams, 1864)
Robillardia pisum (T. Habe, 1953)
Hypermastus placentae A. Warén & M. Crossland,1991
Melanella planisutis P. Bouchet & A. Warén,1986
Sticteulima plenicolora B.K. Raines, 2003
Melanella pocahontasae (J. Henderson & P. Bartsch,1914)
Stilapex polaris (C. Hedley, 1916)
Melanella polita (C. Linnaeus, 1758)
Melanella polita intermedia F.J. Cantraine, 1835
Eulima politissima R.B. Newton, 1895
Echineulima ponderi A. Warén, 1980
Oceanida pontilevensis (FOSSIL) (de Morgan, 1915 †)
Chileutomia pontileviensis (FOSSIL) de Morgan, 1915 †
Sticteulima portensis (C.F. Laseron, 1955)
Niso portoricensis W.H. Dall & C.T. Simpson,1901
Melanella praecurta (P.M. Pallary, 1904)
Annulobalcis procera L.R.L. Simone, 2002
Melanella producta (P.P. Carpenter, 1863)
Hypermastus productus (G.B. III Sowerby, 1894)
Pelseneeria profunda F. Koehler & C. Vaney,1908
Fusceulima projectilabrum P. Bouchet & A. Warén,1986