Amalda raoulensis (A.W.B. Powell, 1967)
Bearizia rasa (FOSSIL) (K. Martin, 1914 †)
Spirancilla raulini (FOSSIL) (M.A. Peyrot, 1925 †)
Amalda reevei (E.A. Smith, 1904)
Baryspira regina (FOSSIL) M. Tomida & T. Ozawa,1998 †
Sparella rembangensis (FOSSIL) K. Martin, 1906 †
Amalda rimuensis (FOSSIL) (Olson, 1956 †)
Ancilla ripaudi (FOSSIL) (Vasseur, 1881 †)
Ancilla ripaudi dupuisi (FOSSIL) A.L. Chavan & M. Fischer,1939 †
Ancilla ripaudi subripaudi (FOSSIL) A.L. Chavan & M. Fischer,1939 †
Baryspira robusta (FOSSIL) J. Marwick, 1924 †
Ancillista rosadoi L. Bozzetti & G.L. Terzer,2004
Amalda roscoae R.N. Kilburn, 1975
Alocospira rosea J.H. Macpherson, 1959
Amalda rottnestensis T. Ninomiya, 1991
Ancilla rouillardi R.N. Kilburn, 1981
Amalda rubiginosa (W.J. Swainson, 1823)
Amalda rubrofasciata T. Ninomiya, 1991
Ancilla sarda (L.A. Reeve, 1864)
Ancilla scamba (FOSSIL) (T.A. Conrad, 1832 †)
Ancilla scaphella (G.B. II Sowerby, 1859)
Ancilla schmidti (FOSSIL) C. Beets, 1984 †
Amalda scopuloceti R.N. Kilburn, 1993
Ancilla semilaevis (FOSSIL) (J.E. Tenison-Woods,1877 †)
Baryspira shaka (FOSSIL) L. King, 1954 †
Ancilla shelikovi (FOSSIL) A. Oleinik, 1991 †
Ancilla shepardi (FOSSIL) W.H. Dall, 1890 †
Amalda siberutensis K.H.J. Thiele, 1925
Amalda sibuetae Y.I. Kantor & P. Bouchet,1999
Amalda sidneyensis T. Ninomiya, 1991
Amalda similis (G.B. II Sowerby, 1859)
Ancillus sinaiensis (FOSSIL) Abbass, 1967 †
Amalda sinensis (G.B. II Sowerby, 1859)
Ancilla singularis (FOSSIL) A. von Koenen, 1886 †
Spirancilla sismondana (FOSSIL) (L.M.D. Bellardi, 1882 †)