Leptachatina glutinosa (L. Pfeiffer, 1856)
Amastra gonions H.A. Pilsbry & C.M. Cooke,1914
Amastra gouveii C.M. Cooke, 1917
Leptachatina gracilis (L. Pfeiffer, 1855)
Leptachatina grana (W. Newcomb, 1853)
Laminella gravida (A.E.J. Férussac, 1824)
Amastra grayana L. Pfeiffer, 1856
Amastra gulickiana A. Hyatt & H.A. Pilsbry,1911
Leptachatina gummea (J.T. Gulick, 1856)
Leptachatina guttula (A.A. Gould, 1847)
Leptachatina haenensis T.D.A. Cockerell, 1927
Amastra hartmani (W. Newcomb)
Amastra hawaiiensis A. Hyatt & H.A. Pilsbry,1911
Leptachatina helena (W. Newcomb)
Tropidoptera heliciformis C.M.F. Ancey, 1890
Leptachatina henshawi E.R. Sykes, 1903
Amastra hitchcocki C.M. Cooke, 1917
Amastra humilis W. Newcomb, 1855
Amastra hutchinsonii W.H. Pease, 1862
Carelia hyattiana H.A. Pilsbry, 1911
Leptachatina hyperodon H.A. Pilsbry & C.M. Cooke,1914
Leptachatina illimis C.M. Cooke, 1910
Amastra implicata C.M. Cooke, 1933
Leptachatina impressa E.R. Sykes, 1896
Amastra inflata L. Pfeiffer, 1856
Amastra inopinata C.M. Cooke, 1933
Amastra intermedia (W. Newcomb, 1853)
Leptachatina irregularis L. Pfeiffer, 1856
Amastra irwiniana C.M. Cooke, 1908
Leptachatina isthmica C.M.F. Ancey & E.R. Sykes,1899
Amastra johnsoni A. Hyatt & H.A. Pilsbry,1911
Amastra juddii C.M. Cooke, 1917
Carelia kalalauensis W. Newcomb
Amastra kalamaulensis H.A. Pilsbry & C.M. Cooke,1914
Carelia kalauensis C.M. Cooke, 1931