Clavus pustulatus (FOSSIL) (G.B. Brocchi, 1814 †)
Clavus putillus (L.A. Reeve, 1845)
Drillia pycnoklosta (FOSSIL) J. Gardner, 1937 †
Drillia pyramidata (L.C. Kiener, 1840)
Drillia pyrenoides (FOSSIL) (T.A. Conrad, 1834 †)
Drillia quadrasi O. Böttger, 1895
Clavus quadratus R.N. Kilburn, 1988
Plagiostropha quintuplex J.C. Melvill, 1927
Leptadrillia quisqualis (R.B. Hinds, 1843)
Eumetadrillia rabdotacona (FOSSIL) J. Gardner, 1937 †
Splendrillia raricostata (E.A. Smith, 1879)
Wairarapa rebecca (FOSSIL) P. Vella, 1954 †
Drillia recordata (E.R. Sykes, 1905)
Clavus regularis (L.A. Reeve, 1846)
Splendrillia resplendens (J.C. Melvill, 1898)
Calliclava rhodina J.H. McLean & L.H. Poorman,1971
Agladrillia rhodochroa (P. Dautzenberg, 1900)
Elaeocyma ricaudae S.S. Berry, 1969
Drillia rimata (E.A. Smith, 1888)
Drillia riogurabonis (FOSSIL) C.J. Maury, 1917 †
Clavus rissoiniformis (E.A. Kay, 1979)
Lissodrillia robusta P.J. Fallon, 2016
Drillia rosacea (L.A. Reeve, 1845)
Clavus rosalinus F.P. Marrat, 1877
Bellaspira rosea P.J. Fallon, 2016
Splendrillia roseacincta R.K. Dell, 1956
Cymatosyrinx roseobasis (E.A. Smith, 1883)
Clavus roseofuscus L. Bozzetti, 2007
Drillia roseola (L.G. Hertlein& A.M. Strong, 1955)
Plagiostropha roseopinna M. Chino & P. Stahlschmidt,2010
Drillia rosolina (F.P. Marrat, 1877)
Plagiostropha rubrifaba M. Chino & P. Stahlschmidt,2010
Clathrodrillia rubrofasciata P.J. Fallon, 2016
Drillia rubrozonata M.M. Schepman, 1913
Drillia rufescens R.W. Dunker, 1871