Alvania peyreirensis (FOSSIL) Cossmann & Peyrot, 1919 †
Mohrensternia pfaffstaettensis (FOSSIL) T. Kowalke& M. Harzhauser, 2004 †
Pusillina philippi (A. Aradas & G. Maggiore,1844)
Powellisetia philomelae (R.B. Watson, 1886)
Crisilla picta (J.G. Jeffreys, 1867)
Alvania piersmai R.G. Moolenbeek& H.J. Hoenselaar, 1989
Alvania pinguis (W.H. Webster, 1906)
Alvania pinguoides (A.W.B. Powell, 1940)
Merelina pisinna (J.C. Melvill & R. Standen,1896)
Rissoa pissarroi (FOSSIL) Cossmann, 1899 †
Merelina plaga H.J. Finlay, 1926
Onoba platia (E.A. Smith, 1890)
Alvania platycephala P. Dautzenberg & H. Fischer,1896
Alvania plauciusi R.G. Moolenbeek & E. Rolán,1988
Alvania playagrandensis (FOSSIL) N.E. Weisbord, 1962 †
Pusillina plicosa (E.A. Smith, 1875)
Rissoa poliana A. Risso, 1826
Mohrensternia politioanei (FOSSIL) E. Jekelius, 1944 †
Attenuata polyvincta (FOSSIL) (Finlay, 1924 †)
Rissoa pompholyx W.H. Dall, 1927
Ihungia ponderi (FOSSIL) P.A. Maxwell, 1988 †
Powellisetia ponderi H. Numanami, 1996
Rissoa pontica F. Nordsieck, 1972
Manzonia pontileviensis (FOSSIL) (Morgan, 1915 †)
Lucidestea poolei (C. Hedley, 1899)
Powellisetia porcellana (H.H. Suter, 1908)
Powellisetia porcellanoides (A.W.B. Powell, 1937)
Alvania porcupinae S. Gofas & A. Warén, 1982
Alvania portentosa E. Rolán & J.M. Hernández,2007
Alvania portoricana W.H. Dall & C.T. Simpson,1901
Crisilla postrema (S. Gofas, 1990)
Alvania poucheti P. Dautzenberg, 1889
Alvania poucheti cingulifera P. Dautzenberg, 1889
Rissoa poustagnacensis (FOSSIL) P. Lozouet, 1998 †
Striatestea poutama W.F. Ponder, 1967