Microdryas pumila (C.B. Adams, 1870)
Badepigrus pupoides (C.B. Adams, 1865)
Pseudestea pyramidata (C. Hedley, 1903)
Amphithalamus pyramis (C.F. Laseron, 1950)
Afriscrobs quantilla (W.H. Turton, 1932)
Anabathron quartus (FOSSIL) (C.R. Laws, 1950 †)
Amphithalamus rauli E. Rolán, 1991
Pisinna rekohuana (A.W.B. Powell, 1933)
Pisinna rekominor (FOSSIL) (C.R. Laws, 1940 †)
Pisinna rubicunda R. Tate & W.L. May, 1900
Microdryas rufanensis (W.H. Turton, 1932)
Pisinna rufoapicata (H.H. Suter, 1908)
Pisinna rugosa (F.W. Hutton, 1885)
Pisinna rugosa recens (W.F. Ponder, 1968)
Anabathron rugulosum (A.W.B. Powell, 1930)
Pisinna sabulum (F.J. Cantraine, 1842)
Afriscrobs saldadinensis (A. Hornung & G. Mermod,1928)
Pisinna salebrosa (G.R. von Frauenfeld,1867)
Anabathron scrobiculator (R.B. Watson, 1886)
Anabathron scrobis (FOSSIL) (C.R. Laws, 1950 †)
Amphithalamus semen (N.H. Odhner, 1924)
Badepigrus semicinctus (W.L. May, 1915)
Pisinna seminulum (T.A. de M. Monterosato,1877)
Amphithalamus semiornatus (FOSSIL) (C.R. Laws, 1948 †)
Pisinna semiplicata (A.W.B. Powell, 1927)
Pisinna semisulcata (F.W. Hutton, 1885)
Nodulus spiralis J. van der Linden, 1986
Pisinna stampinensis (FOSSIL) P. Lozouet, 2015 †
Amphithalamus stephensae P. Bartsch, 1927
Microdryas striatus (A.W.B. Powell, 1927)
Pisinna subfusca (F.W. Hutton, 1873)
Pisinna subrufa (A.W.B. Powell, 1937)
Pisinna subtilicosta (FOSSIL) (J. Marwick, 1928 †)
Scrobs subtruncata (C. Vélain, 1877)
Amphithalamus sundayensis W.R.B. Oliver, 1915