Pseudotachea coquandi maxima (P.M.A. Morelet, 1880)
Pseudotachea coquandi nemoraloides (W. Kobelt, 1888)
Pseudotachea coquandi subcarinata (P.M. Pallary, 1898)
Parachloraea coquandiana (FOSSIL) (Mathéron, 1843 †)
Atlasica cossignanii J. Ahuir Galindo, 2013
Pseudotachea cossoni (A. Letourneux, 1877)
Theba costillae (R. Hutterer, 1990)
Liburnica crinita (P. von Ströbel, 1854)
Corneola crombezi (É.A.A. Locard, 1882)
Lampadia cuticula (R.J. Shuttleworth, 1852)
Tacheocampylaea cyrniaca (G. Dutailly, 1867)
Helix dawsoni (FOSSIL) Moore †
Theba dehnei (E.A. Rossmässler, 1846)
Theba dehnei depressa P.M. Pallary, 1921
Theba dehnei major P.M. Pallary, 1921
Theba dehnei minor P.M. Pallary, 1921
Theba dehnei rosea P.M. Pallary, 1921
Helix delessertiana E.J. Le Guillou, 1842
Helix delpretiana M. Paulucci, 1878
Palaeotachea dentula (FOSSIL) (Quenstedt, 1867) †
Campylaea denudata (E.A. Rossmässler, 1836)
Otala depageana (P.M. Pallary, 1923)
Otala derenica (P.M. Pallary, 1920)
Otala derenica albina (P.M. Pallary, 1920)
Hemicycla desculpta (A. Mousson, 1872)
Eremina desertorum (P. Forsskål, 1775)
Corneola desmoulinsi (J.N. Farines, 1834)
Corneola desmoulinsi atricha (A. Bofill, 1915)
Corneola desmoulinsi bechi C. Altimira, 1959
Helix dickhauti W. Kobelt, 1903
Adiverticula diegoi (M.T. Neiber, R. Vega-Luz& Koenemann, 2011)
Hemicycla digna (A. Mousson, 1872)
Eremina dillwyniana (L. Pfeiffer, 1851)
Eremina dillwyniana duroi J.G. Hidalgo, 1886
Eremina dillwyniana minor W. Kobelt, 1888