Species
species Diala albugo (Watson, 1886)
species Diala almo (P. Bartsch, 1915)
species Diala angulata (Hedley, 1907)
species Diala bella A. Adams, 1868
species Diala canaliculata (K.H.J. Thiele, 1925)
species Diala exilis (G.W. Tryon, 1866)
species Diala lirata Laseron, 1950
species Diala lirulata Thiele, 1930
species Diala megapicalis Ponder & Keyzer, 1992
species Diala nyussana (E.A. Smith, 1877)
species Diala omphalotropis (K.H.J. Thiele, 1925)
species Diala pagodula A. Adams, 1862
species Diala polymorpha (E.A. Smith, 1877)
species Diala scopulorum R. B. Watson, 1886
species Diala semistriata (Philippi, 1849)
species Diala stephensae (Baker, Hanna & A. M. Strong, 1930)
species Diala sulcifera (A. Adams, 1862)
species Diala suturalis (A. Adams, 1853) - Sutured Diala
species Diala tomlini J.M.R.M. Viader, 1938
species Mellitestea actinium (Rehder, 1980)
species Mellitestea profunda (Hedley, 1899)
species Mellitestea schoedei (Thiele, 1925)
species Mellitestea scopulorum (R. B. Watson, 1886)
species Mellitestea simplex Laseron, 1956
species Mellitestea tumerosa (Laseron, 1956)
species Paradiala sinuata (Angas, 1877)
species Paradiala supraflecta Laseron, 1956
species Rissoalaba plebeja Yokoyama, 1922