Retifusus parvus (R. Tiba, 1980)
Gemophos pastinaca (L.A. Reeve, 1846)
Neptunea patuxentensis (FOSSIL) Martin, 1904 †
Chlanidota paucispiralis A.W.B. Powell, 1951
Pseudofax paucus (FOSSIL) J.D. Stilwell & al.,2004 †
Clea paviei (L.J. Morlet, 1886)
Engina payardi J.C. Melvill
Chauvetia peculiaris P.G. Oliver & E. Rolán,2009
Pollia pellita G.J. Vermeij & P. Bouchet,1998
Prosipho pellitus K.H.J. Thiele, 1912
Chauvetia pelorcei P.G. Oliver & E. Rolán,2008
Buccinum pemphigus W.H. Dall, 1907
Buccinum pemphigus major W.H. Dall, 1919
Colus peracutus (FOSSIL) A.E.M. Cossmann, 1898 †
Buccinum percrassum W.H. Dall, 1881
Colus peregre É.A.A. Locard, 1897
Japelion pericochlion (L. von Schrenck, 1863)
Aulacofusus periscelidus (W.H. Dall, 1891)
Chauvetia perlata (O.A.L. Mörch, 1860)
Ovulatibuccinum perlatum K. Fraussen & M. Chino,2009
Crassicantharus perlatus K. Fraussen& P. Stahlschmidt, 2015
Americominella perminuta (W.H. Dall, 1927)
Engina permixta G.T. Watters & K. Fraussen,2015
Aeneator perobtusus (FOSSIL) (C.A. Fleming, 1943 †)
Volutharpa perryi (J.C. Jay, 1856)
Buccinulum pertinax (E.C. Von Martens, 1878)
Buccinulum pertinax finlayi A.W.B. Powell, 1929
Cominella pertusa (FOSSIL) R. Tate, 1888 †
Metula peruviana (FOSSIL) A.A. Olsson, 1931 †
Bayerius peruvianus A. Warén & P. Bouchet,2001
Monostiolum petiti (FOSSIL) A.A. Olsson, 1967 †
Penion petitianus (FOSSIL) (A.V.M.D. D'Orbigny,1842 †)
Hesperisternia petuchi (FOSSIL) G.J. Vermeij, 2006 †
Siphonalia pfefferi G.B. III Sowerby, 1900
Latisipho pharcidus (W.H. Dall, 1919)