Nassarius pyrenaicus (FOSSIL) (C.F. Fontannes, 1879 †)
Nassarius pyrrhus (K.T. Menke, 1843)
Trajana pyta (FOSSIL) Gardner, 1948 †
Nassarius quadrasi (J.G. Hidalgo, 1904)
Bulliopsis quadrata (FOSSIL) (T.A. Conrad, 1830 †)
Nassarius quadridentatus W.C. Mansfield, 1930
Nassarius quantulus (A.A. Gould, 1860)
Nassarius radians H.H. Kool & J. Galindo,2014
Nassarius rainbowae C. Gili, 2015
Nassarius ranunculus (FOSSIL) A.A. Olsson, 1922 †
Tomlinia rapulum (L.A. Reeve, 1846)
Nassarius recidivus (E.C. Von Martens, 1876)
Tritia recta (FOSSIL) (G.F. Dollfus& P. Dautzenberg, 1886 †)
Nassarius recticostatus (FOSSIL) (L.M.D. Bellardi, 1882 †)
Nassarius reductus (FOSSIL) G.J. Vermeij & Wesselingh,2002 †
Nassarius reeveanus (R.W. Dunker, 1847)
Nassarius reeveanus luctuosus (A. Adams, 1852)
Nassarius reeveanus punctatus (A. Adams, 1852)
Nassarius reeveanus velatus A.A. Gould, 1850
Nassarius reeveanus zonalis (A. Adams, 1852)
Nassarius rehderi W.O. Cernohorsky, 1980
Nassarius repititi (FOSSIL) A.A. Olsson, 1964 †
Nassarius restitutianus (FOSSIL) (C.F. Fontannes, 1879 †)
Tritia reticosa (FOSSIL) (J. de C. Sowerby,1815 †)
Antillophos reticosus (FOSSIL) (R.B. Hinds, 1844 †)
Tritia reticulata (C. Linnaeus, 1758)
Tritia reticulata mammillata (A. Risso, 1826)
Nassarius reunionensis W.O. Cernohorsky, 1988
Nassarius reussi (FOSSIL) (K. Martin, 1880 †)
Nassarius rhinetes S.S. Berry, 1953
Bullia rhodostoma L.A. Reeve, 1847
Nassarius richeri W.O. Cernohorsky, 1992
Nassarius rideli (FOSSIL) G.F. Dollfus, 1889 †
Nassarius robustus (T.A. de M. Monterosato,1890)
Bullia rogersi K.R. Smythe& J.E. Chatfield, 1981