Ogasawarana hirasei (H.A. Pilsbry, 1902)
Alcadia hirsuta (C.B. Adams, 1850)
Alcadia hispida (L. Pfeiffer, 1839)
Alcadia hjalmarsoni (L. Pfeiffer, 1856)
Microalcadia hojarasca (I. Richling, 2001)
Troschelviana holguinensis (C.G. Aguayo, 1932)
Alcadia hollandi (C.B. Adams, 1849)
Fadyenia hollandiana (C.B. Adams, 1850)
Lucidella holoserica A.J. Wagner, 1911
Tristramia hondurana H.G. Richards, 1938
Helicina huacapistana H.A. Pilsbry, 1949
Aphanoconia hungerfordianum (P.B. Schmacker& O. Böttger, 1891)
Aphanoconia hungerfordianum formosanum (P.B. Schmacker& O. Böttger, 1891)
Aphanoconia hungerfordianum hainanensis (O.F. von Möllendorff,1882)
Ceratopoma idae (L. Pfeiffer, 1856)
Lucidella ignicoma (R.J.L. Guppy, 1868)
Helicina iguapensis H.A. Pilsbry, 1900
Alcadia iheringi A.J. Wagner, 1910
Lucidella inaequalis (L. Pfeiffer)
Helicina inaequistriata H.A. Pilsbry, 1900
Helicina inca H.B. Preston, 1914
Alcadia incrustata (J. Gundlachin L. Pfeiffer, 1859)
Poenia indecora H.A. Pilsbry, 1930
Geotrochatella insignis P. Dautzenberg, 1895
Helicina invectita H.A. Pilsbry & E.G. Vanatta,1928
Oxyrhombus isthmica H.A. Pilsbry, 1926
Alcadia jamaicensis G.B. Sowerby, 1842
Pleuropoma jana (J.C. Cox, 1872)
Alcadia jansoni (E.C. Von Martens, 1890)
Waldemaria japonica (C.B. Adams, 1861)
Waldemaria japonica expolita (H.A. Pilsbry, 1903)
Waldemaria japonica reinii (W. Kobelt, 1879)
Blandia jardineiana E. Chitty, 1857
Fadyenia jeffreysiana E. Chitty, 1857
Poeniella jeremiensis H.A. Pilsbry