Setia homerica L. Romani & D. Scuderi,2015
Alvania hortensis (FOSSIL) P. Lozouet, 1998 †
Alvania hueti L. Bozzetti, 2017
Merelina hulliana (R. Tate, 1893)
Pusillina huttoni (H.H. Suter, 1898)
Rissoa hyalina A.G. Desmarest, 1814
Rissoa hyalina pseudomonodonta A. Verduin, 1983
Porosalvania hydrobiaeformis S. Gofas, 2007
Mohrensternia hydrobioides (FOSSIL) Hilber, 1897 †
Alvania hyerensis S. Gofas, 2007
Alvania hyperrudis J.J. Oberling, 1970
Alvania ignota A. Cecalupo & I. Perugia,2009
Alvania ima P. Bartsch, 1911
Attenuata imbrex (C. Hedley, 1908)
Haurakia imitator (K.H.J. Thiele, 1925)
Alvania imperspicua (P.M. Pallary, 1920)
Onoba impolita (F.W. Hutton, 1873)
Setia impolite E. Rolán & J.M. Hernández,2006
Onoba improcera A. Warén, 1996
Lucidestea ina (K.H.J. Thiele, 1925)
Rissoa incerta (FOSSIL) G.P. Deshayes, 1861 †
Rissoa inchoata (FOSSIL) G.P. Deshayes, 1861 †
Alvania incognita A. Warén, 1996
Pusillina inconspicua (J. Alder, 1844)
Pusillina inconspicua densa (F. Nordsieck, 1972)
Pusillina infecta (H.H. Suter, 1908)
Attenuata inflata (FOSSIL) (C.R. Laws, 1939 †)
Onoba inflatella (K.H.J. Thiele, 1912)
Rissoa inflexicosta (FOSSIL) (A.E.M. Cossmann, 1921 †)
Ihungia infulata (FOSSIL) J. Marwick, 1943 †
Crisilla innominata (R.B. Watson, 1897)
Setia innominata (A. Verduin, 1988)
Onoba inornata (A.W.B. Powell, 1933)
Powellisetia inornata (H. Strebel, 1908)
Onoba insculpta (R. Murdoch, 1905)