Opalia punctata (K.H.J. Thiele, 1925)
Epitonium pupiforme (H. Masahito, J.T. Kuroda& T. Habe, 1971)
Opalia pupipunctata (M.E.A. de Boury, 1911)
Gyroscala purpurata (W.H. Dall, 1917)
Epitonium pusillum P.F. Röding, 1798
Epitonium pyramidale (G.B. II Sowerby, 1844)
Scalaria queenii (FOSSIL) Gardner †
Epitonium quiquandoni L. Bozzetti, 2007
Tenuiscala ramondi (FOSSIL) M.E.A. de Boury, 1887 †
Alora rapunculus R.N. Kilburn, 1975
Boreoscala rarecostulata A.N. Golikov, 1967
Variciscala raricostata (G.B. II Sowerby, 1844)
Rectacirsa rariformis (J.B.P.A. Lamarck, 1822)
Chuniscala rectilamellata R.N. Kilburn, 1985
Epitonium reflexum (P.P. Carpenter, 1856)
Epitonium regulare (K.H.J. Thiele, 1925)
Epitonium regulare (P.P. Carpenter, 1857)
Epitonium repandior R.N. Kilburn, 1985
Epitonium repandum R.N. Kilburn, 1985
Epitonium replicatum (G.B. II Sowerby, 1844)
Acrilla reticulata (D.C. Solanderin G. Brander, 1766 )
Acrilla reticulata grignonensis (FOSSIL) A.E.M. Cossmann, 1888 †
Alora reticulata (T. Habe, 1962)
Opalia reticulata (FOSSIL) Martin, 1904 †
Epitonium reticulatum Y.C. Lee & W.L. Wu, 1998
Alora retifera P. Bouchet & A. Warén,1986
Amaea retifera (W.H. Dall, 1889)
Epitonium retifera (FOSSIL) G. Humphrey †
Scalina retifera (FOSSIL) W.H. Dall, 1889 †
Epitonium retusa (FOSSIL) G.B. Brocchi, 1814 †
Opalia revizee Lima & M.L. Christoffersen,2014
Cycloscala revoluta (C. Hedley, 1899)
Epitonium rhips (R.B. Watson, 1897)
Boreoscala rhytida (W.H. Dall, 1917)
Epitonium riachuelanum (FOSSIL) C.J. Maury, 1936 †