Plicisyrinx plicata (T.A. Okutani, 1964)
Pyrgospira plicosa (C.B. Adams, 1850)
Inquisitor plurinodulatus B.C. Cotton, 1947
Inquisitor plurivaricis B.Q. Li, R.N. Kilburn& X.Z. Li, 2010
Crassispira pluto H.A. Pilsbry & H.N. Lowe,1932
Carinoturris polycaste (W.H. Dall, 1919)
Knefastia polygona (FOSSIL) (G.P. Deshayes, 1834 †)
Hindsiclava polytorta (W.H. Dall, 1881)
Crassispira ponida (FOSSIL) W.P. Woodring, 1928 †
Comitas powelli H.A. Rehder & H.S. Ladd,1973
Inquisitor powelli (FOSSIL) (R.K. Dell, 1950 †)
Hindsiclava praeconsors (FOSSIL) (Gardner, 1938 †)
Naudedrillia praetermissa (E.A. Smith, 1904)
Crassispira premorra (W.H. Dall, 1889)
Knefastia princeps S.S. Berry, 1953
Crassispira procera Kantor, Stahlschmidt, Aznar-Cormano, Bouchet& Puillandre, 2016
Antiplanes profundicola P. Bartsch, 1944
Crassispira promensis (FOSSIL) Noetling, 1901 †
Paracomitas protransenna (FOSSIL) (P. Marshall& R. Murdoch, 1923 †)
Crassispira pseudocarbonaria F. Nolf, 2009
Crassispira pseudocarinata (L.A. Reeve, 1845)
Comitas pseudoclarae A.W.B. Powell, 1944
Inquisitor pseudoprincipalis (M. Yokoyama, 1920)
Clavatoma pulchra (FOSSIL) A.W.B. Powell, 1942 †
Crassispira pulchrepunctata P. Stahlschmidt& L. Bozzetti, 2007
Maesiella punctatostriata (P.P. Carpenter, 1856)
Carinodrillia pylonia (FOSSIL) A.A. Olsson & A. Harbison,1953 †
Hindsiclava pyrgoma (FOSSIL) W.P. Woodring, 1970 †
Crassispira quadrifasciata (L.A. Reeve, 1845)
Carinodrillia quadrilirata (E.A. Smith, 1882)
Epidirona quoyi (C. des Moulins, 1842)
Inquisitor radula (R.B. Hinds, 1843)
Megasurcula rara S. Nomura & H. Onishi,1940
Comitas raybaudii L. Bozzetti, 1994
Lioglyphostoma rectilabrum J.H. McLean & L.H. Poorman,1971