Neptunea otukai (FOSSIL) K. Chinzei, 1959 †
Engina ovata W.H. Pease, 1865
Ovulatibuccinum ovulum (W.H. Dall, 1895)
Liomesus ovum (W. Turton, 1825)
Searlesia oyeni (FOSSIL) F.W. Harmer, 1914 †
Plicifusus ozawai (FOSSIL) M. Yokoyama, 1926 †
Gemophos pacei E.J. Petuch & D.M. Sargent,2011
Falsilatirus pacificus W.K. Emerson & R.B. Moffitt,1988
Pareuthria paessleri (H. Strebel, 1905)
Austrofusus pagoda (FOSSIL) (Finlay, 1924 †)
Pusio pagodus (L.A. Reeve, 1846)
Probuccinum palaiocostatum (FOSSIL) J.D. Stilwell & al.,2004 †
Chlanidota palliata (H. Strebel, 1908)
Solenosteira pallida (W.J. Broderip& G.B. I Sowerby, 1829)
Buccinulum pallidum H.J. Finlay, 1928
Buccinulum pallidum powelli W.F. Ponder, 1971
Volutopsius pallidus R. Tiba, 1973
Hesperisternia panamica (L.G. Hertlein& A.M. Strong, 1951)
Euthria pangoides (FOSSIL) (A.G. Beu, 1973 †)
Buccinulum pansum (FOSSIL) J. Marwick, 1965 †
Engina papuensis C.M. Tapparone-Canefri,1879
Burnupena papyracea (J.G. Bruguière, 1789)
Burnupena papyracea anglicana (J.F. Gmelin, 1791)
Burnupena papyracea tigrina (L.C. Kiener, 1834)
Pseudoneptunea paradoxica (FOSSIL) (Jenkens, 1864 †)
Siphonalia paradoxica (FOSSIL) B.W. Jenkins, 1864 †
Penion parans (FOSSIL) (Finlay, 1930 †)
Chauvetia pardacuta P.G. Oliver & E. Rolán,2008
Chauvetia pardofasciata P.G. Oliver & E. Rolán,2008
Janiopsis parisiensis (FOSSIL) (G.P. Deshayes, 1834 †)
Metula parthi I.P. Bondarev, 1997
Bailya parva (C.B. Adams, 1850)
Mohnia parva (A.E. Verrill& S. Smith in A.E. Verrill, 1882)
Hesperisternia parva (FOSSIL) B.M. Landau, F. Da Silva& S.M. Heitz, 2016 †
Buccinum parvulum T.A. Verkrüzen, 1875