Sassia ponderi A.G. Beu, 1987
Ranella poppelacki (FOSSIL) Hornes, 1853 †
Cymatium praefemorale (FOSSIL) C.J. Maury, 1917 †
Cymatiella pratti (FOSSIL) (Tenison Woods, 1879 †)
Ranella prattii (FOSSIL) Woods, 1878 †
Argobuccinum proditor (G.R. von Frauenfeld,1865)
Argobuccinum proditor tristanense R.K. Dell, 1963
Ranella promensis (FOSSIL) E.W. Vredenburg, 1921 †
Sassia protensus (FOSSIL) R. Tate, 1888 †
Biplex pulchellum Sowerby, 1825
Cymatiella pumilio (C. Hedley, 1903)
Gyrineum pusillum (W.J. Broderip, 1833)
Argobuccinum pustulosum (J. Lightfoot, 1786)
Sassia pusulosa (FOSSIL) (J. Marwick, 1965 †)
Ranularia pyrulum (A. Adams & L.A. Reeve,1850)
Ranularia pyrum (C. Linnaeus, 1758)
Cymatium raderi A. D'Attilio & B.W. Myers,1984
Charonia radialis (FOSSIL) R. Tate, 1888 †
Argobuccinum ranelliforme (P.P. King, 1832)
Cymatium ranzanii (J.J. Bianconi, 1850)
Charonia raulini (FOSSIL) (A.E.M. Cossmann& M.A. Peyrot, 1923 †)
Charonia raulini?? (A.E.M. Cossmann& M.A. Peyrot, 1923)
Ranularia rehderi (A. H. Verrill, 1950)
Sassia remensa (T. Iredale, 1936)
Sassia reticulosa (FOSSIL) (G.P. Deshayes, 1835 †)
Fusitriton retiolus (C. Hedley, 1914)
Monoplex ritteri (FOSSIL) Schmelz, 1989 †
Gyrineum roseum (L.A. Reeve, 1844)
Septa rubecula (C. Linnaeus, 1758)
Charonia sacyi (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1923 †
Ranularia sarcostoma (L.A. Reeve, 1844)
Charonia sauliae (L.A. Reeve, 1844)
Sassia scabriuscula (FOSSIL) (G.P. Deshayes, 1865 †)
Charonia scabriusculum (FOSSIL) (G.P. Deshayes, 1865 †)
Priene scabrum (King, 1832)