Marginella palleukos A. Aiken, 2014
Hyalina pallida (C. Linnaeus, 1758)
Volvarina pallidula (R.W. Dunker, 1871)
Volvarina pandorae J. Espinosa & J.A. Ortea,2015
Prunum pardalis (FOSSIL) (W.H. Dall, 1890 †)
Granulina parilis S. Gofas & F. Fernandes,1988
Marginella parkrynieensis S.G. Veldsman, S.G. Veldsman& A. Aiken, 2012
Marigordiella parviginella (J. Espinosa & J.A. Ortea,2006)
Alaginella parvisinus (FOSSIL) (P.A. Maxwell, 1992 †)
Volvarina parvistriata (H.H. Suter, 1908)
Pugnus parvus C. Hedley, 1896
Granula pascuana (FOSSIL) (H.A. Rehder, 1980 †)
Volvarina pauli D. De Jong & H.E. Coomans,1988
Volvarina paumotensis (W.H. Pease, 1868)
Marginella peasei L.A. Reeve, 1865
Volvarina peasi L.A. Reeve, 1865
Volvarina pedroelcojo J. Espinosa, J.A. Ortea& Y.L. Diez, 2015
Marginella peelae L. Bozzetti, 1993
Marginella peelae beltmani M.R. Hart, 1993
Volvarina peimbertae J.A. Ortea, 2014
Prunum pellucidum (L. Pfeiffer, 1840)
Alaginella pemphix (B. Roth, 1973)
Volvarina penelope J. Espinosa & J.A. Ortea,2015
Volvarina pepefragai J. Espinosa & J.A. Ortea,1997
Volvarina peregrina S. Gofas & F. Fernandes,1992
Dentimargo perexilis (A.R.J.B. Bavay, 1922)
Prunum pergrande P.W. Clover, 1974
Volvarina pericalles (J.R. le B. Tomlin, 1916)
Hyalina perla (F.P. Marrat, 1876)
Serrata perlucida F. Boyer, 2008
Granulina perminima (G.B. III Sowerby, 1894)
Marginella perovalis (FOSSIL) A. von Koenen †
Hyalina perovula M. Yokoyama, 1922
Volvarina perrieri (A.R.J.B. Bavay, 1906)
Eratoidea perspicua T. McCleery, 2011