Marginella petitii A. Duval, 1841
Volvarina petricola J. Espinosa, L. Moro& J.A. Ortea, 2011
Glabella phaseolus (FOSSIL) (A. Brongniart, 1833 †)
Marginella philipi S.G. Veldsman, 2013
Volvarina philippinarum (J.H. Redfield, 1848)
Demissa philippinarum F. Boyer, 2016
Eratoidea phillipsi T. McCleery, 2011
Granulina philpoppei T. Cossignani, 2006
Volvarina phorcusi J. Espinosa & J.A. Ortea,2015
Mesoginella physa (B.C. Cotton, 1949)
Marginella picturata G. Nevill & H. Nevill,1874
Granulina pierrepineaui M. Pin & F. Boyer, 1995
Marginella pinellasensis (FOSSIL) A.A. Olsson & A. Harbison,1953 †
Prunum pinerum H. Sarasúa & J. Espinosa,1977
Granulina pinguisa T. McCleery, 2010
Marginella piperata R.B. Hinds, 1844
Marginella piperata fuscopicta W.H. Turton, 1932
Marginella piperata strigata G.B. III Sowerby, 1889
Mesoginella pisinna B.A. Marshall, 2004
Balanetta pisum (L.A. Reeve, 1865)
Granulina plagula T. McCleery, 2010
Volvarina plicatula (H.H. Suter, 1910)
Prunum poeyi J. Espinosa & J.A. Ortea,2015
Eratoidea pointieri J. Espinosa & J.A. Ortea,2013
Serrata polynesiae A. Wakefield & T. McCleery,2002
Dentimargo polyspira (FOSSIL) A.A. Olsson & A. Harbison,1953 †
Marginella pondo S.G. Veldsman, 2017
Eratoidea ponsia T. McCleery, 2011
Volvarina pontesi E. de C. Rios & J.H. Leal,1993
Bullata popenoei (FOSSIL) (W.C. Mansfield, 1930 †)
Marginella poppei F. Boyer & J. Neefs, 1999
Demissa poppei F. Boyer, 2016
Volvarina porcellana (J.C. Melvill & R. Standen,1912)
Prunum poulosi R.E. Lipe, 1996
Protoginella praeterea C.F. Laseron, 1957