Diala africana P. Bartsch, 1915
Diala albugo (R.B. Watson, 1886)
Diala almo (P. Bartsch, 1915)
Diala angulata (C. Hedley, 1907)
Diala bella A. Adams, 1868
Diala canaliculata (K.H.J. Thiele, 1925)
Diala electra (FOSSIL) P. Lozouet, 1998 †
Diala exilis (G.W. Tryon, 1866)
Diala incommoda (FOSSIL) (N.H. Ludbrook, 1941 †)
Diala lirata C.F. Laseron, 1950
Diala lirulata K.H.J. Thiele, 1930
Diala megapicalis W.F. Ponder & de Keyser,1992
Diala nyussana (E.A. Smith, 1877)
Diala omphalotropis (K.H.J. Thiele, 1925)
Diala pagodula A. Adams, 1862
Diala polymorpha (E.A. Smith, 1877)
Diala scopulorum R.B. Watson, 1886
Diala semistriata (R.A. Philippi, 1849)
Diala semistriata infrasulcata G.B. Sowerby, 1892
Diala semistriata stricta T. Habe, 1960
Diala stephensae (Baker, G.D. Hanna& Strong, 1930)
Diala sulcifera (A. Adams, 1862)
Diala sulcifera martensi (A. Issel, 1869)
Diala sulcifera scobina (C.F. Laseron, 1950)
Diala suturalis (A. Adams, 1853)
Diala tomlini J.M.R.M. Viader, 1938
Mellitestea simplex C.F. Laseron, 1956
Mellitestea tumerosa (C.F. Laseron, 1956)
Paradiala supraflecta C.F. Laseron, 1956
Rissoalaba plebeja (FOSSIL) (M. Yokoyama, 1922 †)