Striatestea powelli (FOSSIL) C.R. Laws, 1950 †
Haurakia praeda (C. Hedley, 1908) New South Wales
Alvania praeholsatica (FOSSIL) Gürs & Weinbrecht, 2001 †
Attenuata praetornatilis (C. Hedley, 1912) Australia, Clarence River
Benthonellania praexanthias (FOSSIL) P. Lozouet, 1990 †
Alvania precipitata (W.H. Dall, 1889) USA, North Carolina2,8 mm
Powellisetia principis (R.B. Watson, 1886)
Rissoa prismatica (T.A. de M. Monterosato,1884) Mediterranean Sea
Alvania proavia (FOSSIL) (H.A. Pilsbry& Johnson, 1917 †)
Cingula procera A. Adams, 1861 Japan
Cingula proditoris (K.H.J. Thiele, 1925)
Alvania productilis (FOSSIL) Boettger, 1906 †
Alvania profundicola P. Bartsch, 1911 West America
Porosalvania profundior S. Gofas, 2007 Australia, Sydney
Haurakia profundior (C. Hedley, 1907)
Pusillina protocarinata P. Lozouet, 2015
Onoba protofimbriata W.F. Ponder& H.W. Worsfold, 1994
Onoba protopustulata W.F. Ponder& H.W. Worsfold, 1994
Alvania pseudoareolata A. Warén, 1974 USA, North Carolina2,9 mm
Alvania pseudocimex (FOSSIL) Seguenza, 1903 †
Rissoa pseudoguerini (F. Nordsieck& F.F. Talavera, 1979) Canary Islands3 mm
Alvania pseudohispidula (FOSSIL) M.M. Brunetti& G. Vecchi, 2012 †
Alvania pseudosyngenes A. Warén, 1973
Rissoa pseustes E.A. Smith, 1890
Alvania pukeuriensis (FOSSIL) (Finlay, 1924 †) New Zealand
Setia pulcherrima (J.G. Jeffreys, 1848) Spain, Algeciras1,2 mm
Alvania pumila F. Nordsieck, 1972 Norway
Rissoa punctatissima (FOSSIL) R. Janssen, 1978 †
Alvania punctifera (R.B. Watson, 1873) Europe
Alvania punctura (G. Montagu, 1803) Spain2 mm
Rissoa pupiformis A. Adams, 1860
Rissoa puraeformis A. Adams, 1860 Japan
Alvania purpurea W.H. Dall, 1871 California, La Jolla
Pusillina pusila P. Bartsch, 1915 South Africa1,2 mm
Benthonellania pyrrhias (R.B. Watson, 1886) Bahamas