Pleuropoma glastonensis (J.C. Cox, 1864)
Sulfurina globulina (O.F. von Möllendorff,1905)
Helicina globulosa D'Orbigny, 1842
Helicina goldfussi O. Böttger, 1887
Helicina gomeaensis A. Garrett, 1873
Lucidella gonavensis H.A. Pilsbry, 1928
Alcadia gonostoma (J. Gundlach in F. Poey,1858)
Pleuropoma gouldiana (E. Forbes, 1851)
Lucidella granulosa C.B. Adams, 1850
Lucidella granulosa undulata (L. Pfeiffer, 1862)
Troschelviana granulum (J. Gundlachin L. Pfeiffer, 1864)
Lucidella granum (L. Pfeiffer, 1856)
Fadyenia grayana E. Chitty, 1857
Helicina grayi E.R. Jacobson & W.J. Clench,1971
Eutrochatella greenwayi W.J. Clench, 1933
Blandia greenwoodiana E. Chitty, 1857
Fadyenia grevilleana E. Chitty, 1857
Alcadia guadeloupensis (G.B. Sowerby, 1842)
Oxyrhombus guajarana F.C. Baker, 1913
Helicina guppyi W.H. Pease, 1871
Fadyenia gutiereziana E. Chitty, 1857
Ogasawarana habei H. Minato, 1980
Helicina haemastoma S. Moricand, 1839
Helicina haematostoma S. Moricand, 1839
Hemipoma hakodadiense (J.D.W. Hartmann, 1890)
Fadyenia hanleyana E. Chitty, 1857
Helicina hawaiiensis H.A. Pilsbry & C.M. Cooke,1908
Helicina heati L. Pfeiffer, 1856
Oxyrhombus heighwayana W.H. Dall, 1909
Bourciera helicinaeformis (L. Pfeiffer, 1851)
Fadyenia henryana E. Chitty, 1857
Pleuropoma heterochroa (A.J. Wagner, 1905)
Troschelviana hians (F. Poey, 1852)
Schasicheila hidalgoana W.H. Dall, 1897
Schasicheila hinkleyi H.A. Pilsbry, 1919