Rhinoclavis otukai (S. Nomura, 1935) New Caledonia, Fourmi Island
Cerithium pacificum R.S. Houbrick, 1992 Philippines, Bohol Island36 mm
Lirobittium paganicum (W.H. Dall, 1919) California, Monterey Bay
Hemicerithium pagodum (FOSSIL) R.C. Hoerle, 1972 † Florida8 mm
Bittium paleonotum (FOSSIL) J.D. Stilwell & al.,2004 † Antarctica, Seymour Island
Bittium panamense P. Bartsch, 1911 Costa Rica
Occidentocerithium panthalassicum (FOSSIL) A. Nützel & al., 2003 † USA, Oregon, Wallowa
Bittium parcecostatum (FOSSIL) A. Watelet, 1851 † France, Paris Basin12 mm
Ittibittium parcum (A.A. Gould, 1861) Philippines, Mactan Island5,8 mm
Cerithium paronai (FOSSIL) Schnarrenberger, 1899 † Italy, Campobasso
Gourmya parungpontengense (FOSSIL) Martin, 1905 †
Bittium parvulum (FOSSIL) S. Nardini, 1934 † Eritrea, Debub, Foro
Cestumcerithium pascoensis (FOSSIL) (W.C. Mansfield, 1937 †) USA, Florida, Pasco
Bittium pauperculum (C.B. Adams, 1852)
Varicopeza pauxilla (A. Adams, 1855) Myanmar
Cerithium pecosense (FOSSIL) Stanton, 1947 † Texas, Austin
Clypeomorus pellucida (J.B. Hombron& C.H. Jacquinot, 1852) Philippines, Bohol25,3 mm
Cerithium pentacostae (FOSSIL) C. Moore, 1867 † UK, Wales
Thericium peregrinum (FOSSIL) R.C. Hoerle, 1972 † United States, Florida, Calhoun
Cerithium pergradatum (FOSSIL) W.H. Hudleston, 1889 † UK, England, Somerset
Ptychocerithium perlamellosum (FOSSIL) E.W. Vredenburg, 1928 † India, Meghalaya
Tenuicerithium permutabile (FOSSIL) (W.H. Dall, 1892 †) Florida7 mm
Pseudovertagus peroni B.R. Wilson, 1975 Australia, Point Peron
Cerithidium perparvulum (R.B. Watson, 1886) Turkey, Iskenderun gulf2 mm
Cerithium perpulchrum (FOSSIL) Wood, 1848 † UK, England, Suffolk
Clypeomorus persica R.S. Houbrick, 1985 Arab Emirates12 mm
Bittium peruvianum (A.V.M.D. D'Orbigny,1841) Chile5 mm
Bittium pervicinum (FOSSIL) A.E.M. Cossmann& G. Pissarro † France, Normandy8 mm
Cerithium petitclerci (FOSSIL) A.E.M. Cossmann, 1882 †
Clypeomorus petrosa (W. Wood, 1828) Philippines, Samar Island35 mm
Clypeomorus petrosa chemnitziana (H.A. Pilsbry, 1901) Taiwan26,2 mm
Clypeomorus petrosa isselii (A. Pagenstecher, 1877) South Africa, Zululand27,3 mm
Cerithium peyroti (FOSSIL) (G.F. Dollfus, 1909 †) France, Aquitaine26 mm
Cerithium pfefferi R.W. Dunker, 1882 Thailand, Phuket24,3 mm
Bittium philippardi (FOSSIL) (E.M. Da Costa, 1778 †) France, Aquitaine7 mm