Leptachatina resinula J.T. Gulick, 1856 Hawaii
Amastra reticulata (W. Newcomb, 1854) Hawaii12 mm
Amastra reticulata dispersa A. Hyatt & H.A. Pilsbry,1911 Hawaii15 mm
Amastra reticulata orientalis A. Hyatt & H.A. Pilsbry,1911 Hawaii12,3 mm
Tropidoptera rex E.R. Sykes, 1904 Hawaii
Amastra ricei C.M. Cooke, 1917 Hawaii
Carelia rigida A. Hyatt Hawaii
Amastra rubens (A.A. Gould, 1854) Hawaii
Amastra rubida J.T. Gulick, 1873 Hawaii
Amastra rubristoma D.D. Baldwin, 1906 Hawaii
Amastra rugulosa (W.H. Pease, 1870) Hawaii
Leptachatina saccula W.D. Hartman, 1888 Hawaii
Leptachatina sagittata H.A. Pilsbry& C.M. Cooke, 1914 Hawaii
Leptachatina sandwicensis (L. Pfeiffer, 1846) Hawaii
Laminella sanguinea (W. Newcomb, 1854) Hawaii17 mm
Leptachatina saxatilis J.T. Gulick, 1856 Hawaii
Leptachatina sculpta L. Pfeiffer, 1856 Hawaii
Leptachatina scutilus (J.W. Mighels, 1845) Hawaii
Leptachatina semicostata (L. Pfeiffer, 1855) Hawaii
Amastra seminigra A. Hyatt & H.A. Pilsbry,1911 Hawaii
Amastra seminuda D.D. Baldwin, 1906 Hawaii
Leptachatina semipicta E.R. Sykes, 1896 Hawaii
Amastra senilis D.D. Baldwin, 1903 Hawaii
Amastra sericea L. Pfeiffer, 1859 Hawaii
Amastra similaris W.H. Pease, 1870 Hawaii
Leptachatina simplex W.H. Pease, 1869 Hawaii
Carelia sinclairi C.M.F. Ancey, 1892 Hawaii33,1 mm
Amastra sinistrorsa D.D. Baldwin, 1906 Hawaii
Leptachatina smithi E.R. Sykes, 1896 Hawaii
Amastra sola A. Hyatt & H.A. Pilsbry,1911 Hawaii
Amastra solida W.H. Pease Hawaii
Leptachatina somniator H.A. Pilsbry& C.M. Cooke, 1914 Hawaii
Amastra soror (W. Newcomb, 1854) Hawaii
Planamastra spaldingi C.M. Cooke, 1933 Hawaii
Amastra sphaerica W.H. Pease, 1870 Hawaii