Pterygia nucea (J.F. Gmelin, 1791)
Mitra nympha L.A. Reeve, 1845
Mitraria obaidi (FOSSIL) Abbass, 1967 †
Swainsonia ocellata (W.J. Swainson, 1831)
Swainsonia ocellata ekerae W.O. Cernohorsky, 1973
Swainsonia ocellata incisa (A. Adams & L.A. Reeve,1850)
Swainsonia ocellata sublevigata L. Bozzetti, 2016
Ziba ogoouensis G. Biraghi, 1984
Imbricaria olivaeformis W.J. Swainson, 1821
Mitra oliverai G.T. Poppe, 2008
Mitra omalii (FOSSIL) Briart & Cornet, 1870 †
Mitra orientalis E. Griffith & E. Pidgeon,1834
Scabricola padangensis (K.H.J. Thiele, 1925)
Mitra pallida (G.W. Nowell-Usticke,1959)
Mitra papalis (C. Linnaeus, 1758)
Neocancilla papilio (J.H.F. Link, 1807)
Neocancilla papilio langfordiana (J.M. Cate, 1962)
Proximitra parki (FOSSIL) (R.S. Allan, 1926 †)
Scabricola parkinsoni R. Salisbury & J. Wolff,2005
Proximitra partinoda (FOSSIL) Finlay, 1930 †
Strigatella paupercula (C. Linnaeus, 1758)
Strigatella paupercula zebra (J.B.P.A. Lamarck, 1811)
Cancilla peasei (W.L.H. Dohrn, 1860)
Strigatella peculiaris L.A. Reeve, 1845
Mitra pele W.O. Cernohorsky, 1970
Strigatella pellisserpentis L.A. Reeve, 1844
Strigatella pellisserpentis astricta (L.A. Reeve, 1844)
Mitra perdulca G.T. Poppe, S.P. Tagaro& R. Salisbury, 2009
Mitra perminuta (FOSSIL) (A. Braunin C.L.F. von Sandberger, 1863 †)
Strigatella peruviana (FOSSIL) A.A. Olsson, 1931 †
Mitra peterclarksoni M.P. Marrow, 2013
Scabricola petiti G.T. Poppe & S.P. Tagaro,2006
Mitra petrosa G.B. II Sowerby, 1874
Mitra philosopha Huang & Salisbury, 2017
Subcancilla philpoppei G.T. Poppe, S.P. Tagaro& R. Salisbury, 2009