Crassispira recurvirostrata J.T. Kuroda, 1972
Burchia redondoensis (T.A. Burch, 1938)
Megasurcula remondii (W.M. Gabb, 1866)
Rhodopetoma renaudi (R. Arnold, 1903)
Hindsiclava resina (W.H. Dall, 1908)
Ptychobela resticula B.Q. Li, R.N. Kilburn& X.Z. Li, 2010
Brachytoma reticulata (FOSSIL) E.W. Vredenburg, 1921 †
Comitas rex A.V. Sysoev, 1997
Crassispira rhythmica J.C. Melvill, 1927
Brachytoma rioensis (E.A. Smith, 1915)
Sediliopsis riosi D.L. Tippett, 1995
Inquisitor ritae Stahlschmidt & Fraussen,2017
Crassispira ritanida (FOSSIL) W.C. Mansfield, 1925 †
Cheungbeia robusta (R.B. Hinds, 1843)
Paracomitas rodgersi (FOSSIL) F.S. MacNeil, 1960 †
Hindsiclava rosenstielanus D.L. Tippett, 2007
Antiplanes rotula W.H. Dall, 1921
Comitas rotundata (R.B. Watson, 1881)
Inquisitor rubens M. Morassi, 1998
Crassispira rubidofusca (M.M. Schepman, 1913)
Otitoma rubiginosa (R.B. Hinds, 1843)
Otitoma rubiginostoma Morassi,Nappo & Bonfitto, 2017
Crassispira rudis (G.B. I Sowerby, 1834)
Brachytoma rufolineata (M.M. Schepman, 1913)
Inquisitor rufovaricosa (J.T. Kuroda, T. Habe& K. Oyama, 1971)
Leucosyrinx rugata (FOSSIL) (T.A. Conrad, 1862 †)
Crassispira rugitecta W.H. Dall, 1918
Crassispira rustica (G.B. I Sowerby, 1834)
Lioglyphostoma rusum (FOSSIL) J. Gardner, 1937 †
Crassispira sacerdotalis E. Rolán & F. Fernandes,1993
Crassispira safagaensis R.N. Kilburn & H. Dekker,2008
Comitas saldanhae (K.H. Barnard, 1958)
Ptychobela salebra B.Q. Li & X.Z. Li, 2007
Antiplanes sanctiioannis (E.A. Smith, 1875)
Crassispira sandrogorii P. Ryall, J. Horro& E. Rolán, 2009