Turritella orthezensis (FOSSIL) R. Tournouer, 1875 †
Turritella orthosymmetrica S.S. Berry, 1953
Turritella paedopsis (FOSSIL) E.A.L. Kittl, 1892 †
Mesalia pagoda (FOSSIL) Cox, 1930 †
Stiracolpus pagoda (L.A. Reeve, 1849)
Turritella pagodula (FOSSIL) R. Tate, 1893 †
Calvertitella pagodula (FOSSIL) E.J. Petuch, 1988 †
Neohaustator palanensis TItôva, 1994
Mesalia paleocenica (FOSSIL) Awad & Abed, 1967 †
Oligodia palumbina (FOSSIL) F. Van Dingenen, L. Ceulemans& B.M. Landau, 2016 †
Cristispira paracasensis (FOSSIL) (Rivera, 1957 †)
Turritella paraguanensis (FOSSIL) (F. Hodson, 1926 †)
Turritella parisi (FOSSIL) J.D. Stilwell & al.,2004 †
Turritella parkeri J.H. McLean, 1970
Turritella pasada (FOSSIL) H.A. Pilsbry& A.A. Olsson, 1941 †
Turritella pecosensis (FOSSIL) Stanton, 1947 †
Turritella pelagica A. Risso, 1826
Vermicularia pellucida (W.J. Broderip& G.B. I Sowerby, 1829)
Vermicularia pellucida eburnea (L.A. Reeve, 1842)
Bactrospira perattenuata (FOSSIL) (A. Heilprin, 1886 †)
Turritella perdita (FOSSIL) T.A. Conrad, 1865 †
Oligodia perincisa (FOSSIL) (W.H. Dall, 1892 †)
Tachyrhynchus perlaqueata (FOSSIL) (T.A. Conrad, 1841 †)
Turritella pescaderoensis (FOSSIL) R. Arnold, 1908 †
Zeacolpus peteri (FOSSIL) J. Marwick, 1971 †
Turritella petersoni (FOSSIL) Merriam, 1941 †
Torquesia pharaonica (FOSSIL) (A.E.M. Cossmann, 1901 †)
Turritella pilsbryi (FOSSIL) Gardner, 1928 †
Turritella pinfoldi (FOSSIL) E.W. Vredenburg, 1921 †
Pareora pinguis (FOSSIL) (C.R. Laws, 1941 †)
Turritella pittsburgensis (FOSSIL) Moore, 1976 †
Broderiptella planigyrata (FOSSIL) (R.J.L. Guppy, 1867 †)
Turritella planispira (FOSSIL) P. Nyst, 1843 †
Colpospira platyspira (FOSSIL) (Tenison Woods, 1879 †)
Colposigma plebeia (FOSSIL) J. Marwick, 1960 †