acuta, Diala acuta Carpenter, 1864 - syn of: Pseudodiala acuta (Carpenter, 1864)
africana, Diala africana Bartsch, 1915
albugo, Diala albugo (Watson, 1886)
almo, Diala almo (Bartsch, 1915)
angulata, Diala angulata (Hedley, 1907)
bella, Diala bella Adams, 1868
cacumenata, Diala cacumenata Laseron, 1956 - syn of: Diala semistriata (Philippi, 1849)
cacuminata, Diala cacuminata Laseron, 1956 - syn of: Diala semistriata (Philippi, 1849)
canaliculata, Diala canaliculata (Thiele, 1925)
capensis, Diala capensis Sowerby, 1889 - syn of: Alaba pinnae (Krauss, 1848)
cento, Diala cento Laseron, 1956 - syn of: Diala suturalis (Adams, 1853)
conica, Diala conica Turton, 1932 - syn of: Diala semistriata (Philippi, 1849)
electra, Diala electra Lozouet, 1998 † (FOSSIL)
electrina, Diala electrina Carpenter, 1864 - syn of: Lirobarleeia electrina (Carpenter, 1864)
exilis, Diala exilis (Tryon, 1866)
flammea, Diala flammea Pease, 1868 - syn of: Diala sulcifera (Adams, 1862)
fossa, Diala fossa Laseron, 1956 - syn of: Diala sulcifera (Adams, 1862)
fuscopicta, Diala fuscopicta Smith, 1890 - syn of: Barleeia fuscopicta (Smith, 1890)
hardyi, Diala hardyi Melvill & Standen, 1895 - syn of: Diala sulcifera (Adams, 1862)
incommoda, Diala incommoda (Ludbrook, 1941) † (FOSSIL)
infrasulcata, Diala semistriata infrasulcata Sowerby
lauta, Diala lauta Adams, 1853 - syn of: Diala suturalis (Adams, 1853)
leithii, Diala leithii Smith, 1876 - syn of: Mainwaringia leithii (Smith, 1876)
lirata, Diala lirata Laseron, 1950
lirulata, Diala lirulata Thiele, 1930
ludens, Diala ludens Melvill & Standen, 1895 - syn of: Diala albugo (Watson, 1886)
macula, Diala macula Nevill, 1885 - syn of: Diala semistriata (Philippi, 1849)
magna, Diala magna Tate, 1891 - syn of: Diala suturalis (Adams, 1853)
marmorea, Diala marmorea Carpenter, 1864 - syn of: Pseudodiala acuta (Carpenter, 1864)
martensi, Diala sulcifera martensi Issel
megapicalis, Diala megapicalis Ponder & de Keyser, 1992
monile, Diala monile Adams, 1862 - syn of: Alaba monile (Adams, 1862)
nyussana, Diala nyussana (Smith, 1877)
omphalotropis, Diala omphalotropis (Thiele, 1925)
pagodula, Diala pagodula Adams, 1862
picta, Diala picta Adams, 1861 - syn of: Alaba picta (Adams, 1861)
pinnae, Diala pinnae Krauss, 1848 - syn of: Alaba pinnae (Krauss, 1848)
planalba, Diala planalba Laseron, 1956 - syn of: Diala semistriata (Philippi, 1849)
plebeja, Rissoalaba plebeja (Yokoyama, 1922) † (FOSSIL)
polita, Diala polita Preston, 1905 - syn of: Diala semistriata (Philippi, 1849)
polymorpha, Diala polymorpha (Smith, 1877)
premeris, Diala premeris Laseron, 1956 - syn of: Diala sulcifera (Adams, 1862)
pulchra, Diala pulchra Adams, 1862 - syn of: Diffalaba opiniosa Iredale, 1936
punctata, Diala punctata Tenison-Woods, 1876 - syn of: Diala suturalis (Adams, 1853)
scobina, Diala sulcifera scobina Laseron
scobina, Diala scobina Laseron, 1950 - syn of: Diala sulcifera scobina (Laseron, 1950)
scopulorum, Diala scopulorum Watson, 1886
semistriata, Diala semistriata (Philippi, 1849)
semistriata infrasulcata, Diala semistriata infrasulcata Sowerby, 1892
semistriata stricta, Diala semistriata stricta Habe, 1960
simplex, Mellitestea simplex Laseron, 1956
stephensae, Diala stephensae (Baker, Hanna & Strong, 1930)
stricta, Diala semistriata stricta Habe
sulcifera, Diala sulcifera (Adams, 1862)
sulcifera martensi, Diala sulcifera martensi (Issel, 1869)
sulcifera scobina, Diala sulcifera scobina (Laseron, 1950)
supraflecta, Paradiala supraflecta Laseron, 1956
suturalis, Diala suturalis (Adams, 1853)
tesselata, Diala tesselata Tenison-Woods, 1876 - syn of: Alaba monile (Adams, 1862)
tomlini, Diala tomlini Viader, 1938
translucida, Diala translucida Hedley, 1905 - syn of: Styliferina translucida (Hedley, 1905)
trilirata, Diala trilirata Melvill, 1906 - syn of: Diala semistriata (Philippi, 1849)
tumerosa, Mellitestea tumerosa (Laseron, 1956)
varia, Diala varia Adams, 1861 - syn of: Diala semistriata (Philippi, 1849)
variegata, Diala variegata Tapparone-Canefri, 1877 - syn of: Diala semistriata (Philippi, 1849)
vestigia, Diala vestigia Laseron, 1956 - syn of: Diala semistriata (Philippi, 1849)
vitrea, Diala vitrea G.B. Sowerby III, 1915 - syn of: Alaba picta (Adams, 1861)
watsoni, Diala watsoni Laseron, 1956 - syn of: Diala semistriata (Philippi, 1849)
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