Rissoa quarantellii (FOSSIL) M.M. Brunetti & G. Vecchi,2005 †
Merelina queenslandica C.F. Laseron, 1956
Setia quisquiliarum (R.B. Watson, 1886)
Pusillina radiata (R.A. Philippi, 1836)
Pusillina radiata balkei (A. Verduin, 1976)
Pusillina radiata plicatula (A. Risso, 1826)
Pusillina radiata pulchella (A. Risso, 1826)
Pusillina radiata simplex (R.A. Philippi, 1844)
Crisilla ramosorum P.G. Oliver, J. Templado& D.K. Kersting, 2012
Lironoba rara (K.H.J. Thiele, 1925)
Alvania raulini (FOSSIL) Cossmann & Peyrot, 1919 †
Alvania regina S. Gofas, 1999
Cingula regiorivi (FOSSIL) A.W. Janssen, 1967 †
Attenuata regis (A.W.B. Powell, 1940)
Haurakia relativa (C.F. Laseron, 1956)
Alvania renei H.J. Hoenselaar & J. Goud,1998
Rissoa reticulata (P.D. Montfort, 1810)
Punctulum reticulatum A.N. Golikov, 1986
Powellisetia retusa (A.W.B. Powell, 1927)
Alvania richeri S. Gofas, 1999
Alvania riparia (FOSSIL) P. Lozouet, 1998 †
Alvania rischi (FOSSIL) Gürs & Weinbrecht, 2001 †
Thierachella rissoaeformis (FOSSIL) (A.E.M. Cossmann, 1885 †)
Cingula robertsoni Roe, 1958
Cingula robusta H.C. Lea, 1845
Rissoa rodhensis A. Verduin, 1985
Alvania rosana P. Bartsch, 1911
Alvania rosariae (FOSSIL) Garilli, 2008 †
Obtusella roseotincta (P. Dautzenberg, 1889)
Alvania rotulata (FOSSIL) F. Sacco, 1895 †
Onoba rubicunda (R. Tate & W.L. May,1900)
Merelina rubiginosa W.F. Ponder, 1967
Alvania rudis (R.A. Philippi, 1844)
Pontiturboella rufostrigata (P. Hesse, 1916)
Rissoa rugosa (FOSSIL) Svagrovský, 1971 †