Olivella pulchra (F.P. Marrat, 1871)
Olivella pulicaria (F.P. Marrat, 1871)
Olivella pura (L.A. Reeve, 1850)
Olivella pusilla (F.P. Marrat, 1871)
Olivella rehderi A.A. Olsson, 1956
Olivella riosi M.A. Klappenbach, 1991
Olivella riverae A.A. Olsson, 1956
Mansfieldella robbiae (FOSSIL) B.M. Landau, 1996 †
Olivella robustodentata (FOSSIL) B.M. Landau, F. Da Silva& S.M. Heitz, 2016 †
Olivella rosolina (P.L. Duclos, 1835)
Olivella rotunda W.H. Dall, 1889
Olivella santacruzence Z.J.A. De Castellanos& C. Fernández, 1965
Olivella santana (FOSSIL) Loel & Corey, 1932 †
Olivella scurra (F.P. Marrat, 1871)
Olivella semistriata (J.E. Gray, 1839)
Olivella signata (C.E. Lischke, 1869)
Olivella simplex (W.H. Pease, 1868)
Olivella sphoni J.Q. Burch & G.B. Campbell,1963
Olivella spissa (FOSSIL) Waring, 1917 †
Olivella spreta A.A. Gould, 1861
Olivella spretoides M. Yokoyama, 1922
Olivella stegeri A.A. Olsson, 1956
Olivella steveni J.Q. Burch & G.B. Campbell,1963
Olivella steveni campbelli J.Q. Burch & G.B. Campbell,1963
Olivella strigata (L.A. Reeve, 1850)
Toroliva subcanalifera (FOSSIL) (A.V.M.D. D'Orbigny,1852 †)
Niteoliva tapira (FOSSIL) (A.A. Olsson, 1932 †)
Olivella tehuelcha (P.L. Duclos, 1835)
Olivina tehuelchana (FOSSIL) A.V.M.D. D'Orbigny,1841 †
Olivella tergina (P.L. Duclos, 1835)
Niteoliva terryi (FOSSIL) A.A. Olsson, 1956 †
Olivella thompsoni A.A. Olsson, 1956
Olivella tomlini (FOSSIL) C.H. Oostingh, 1933 †
Olivella tunquina (P.L. Duclos, 1835)
Callianax unica (FOSSIL) W.P. Woodring, 1928 †