Melanopsis naini P.M. Pallary, 1928 Morocco, Atlante Mountains
Melanopsis narzolina (FOSSIL) d'Archiac in Viquesnel,1846 † Italy, Lombardia Region9 mm
Melanopsis navarroi (FOSSIL) E. Vidal, 1917 † Baleares
Melanopsis neolithica Pallary, 1911 Algeria, Bechar
Melanopsis nereis (FOSSIL) A.V.M.D. D'Orbigny,1852 † France, Landes
Melanopsis neritiformis G.P. Deshayes, 1832 USA, Ohio river
Melanopsis nesici (FOSSIL) Š. Brusina, 1893 † Serbia
Melanopsis neumayri (FOSSIL) J.R. Tournouër, 1874 † France, Vaucluse
Melanopsis nicollei P.M. Pallary, 1923 Tunisia
Melanopsis nobilis (FOSSIL) Seninski, 1905 † Georgia, Duab river
Melanopsis nodescens (FOSSIL) Handmann, 1882 † Austria
Melanopsis nodicincta (FOSSIL) P.M. Pallary, 1920 † Italy, Rieti
Melanopsis nodosa A.E.J. Férussac, 1823 Turkey, Tigris River16,4 mm
Melanopsis obediensis Picard, 1934 Israel
Fagotia obeloides (FOSSIL) (L. von G. Tausch,1886 †) Hungary, Bakony
Melanopsis obliqua J.R. Bourguignat, 1884 Israel
Melanopsis oblonga (FOSSIL) Blanckenhorn, 1897 † Syria
Melanopsis obsoleta (FOSSIL) A. Fuchs, 1873 † Romania
Melanopsis obtusa (FOSSIL) G.P. Deshayes, 1825 † France, Picardie, Aisne
Melanopsis obtusa (P.M. Pallary, 1920) Morocco, Tetouan27,2 mm
Melanopsis ogerieni (FOSSIL) É.A.A. Locard, 1883 † France, Rhône-Alpes, Ain
Melanopsis olivieri Bourguignat, 1884 Lebanon, Beirut
Melanopsis olivula (FOSSIL) J.P.S. Grateloup, 1838 † France, Aquitaine
Melanopsis olivula A. Letourneux& J.R. Bourguignat, 1887 Spain, Zaragoza12,6 mm
Melanopsis oltszakadatensis (FOSSIL) Halaváts, 1914 † Romania
Melanopsis onusta (FOSSIL) Stefanescu, 1896 † Romania
Melanopsis onychia (FOSSIL) Š. Brusina, 1874 † Croatia
Melanopsis orientalis (FOSSIL) Bukowski, 1892 † Greece, Rhodos
Melanopsis orontis P.M. Pallary, 1939 Syria, Orontes river
Melanopsis orophila P.M. Pallary, 1920 Italy, Monte Mario
Melanopsis oroposi (FOSSIL) Papp, 1979 † Greece, Milesi
Melanopsis ovosimilis (FOSSIL) Willmann, 1981 † Greece, Kos Island
Melanopsis ovula (J.R. Bourguignat, 1884) Algeria, Ain el Kerma21,4 mm
Melanopsis ovularis (FOSSIL) A. Watelet, 1853 † France, Paris Basin18 mm
Melanopsis oxyacantha (FOSSIL) Š. Brusina, 1902 † Hungary