Kauaia kauaiensis (W. Newcomb, 1860)
Amastra kaunakakaiensis H.A. Pilsbry & C.M. Cooke,1914
Kauaia knudseni (D.D. Baldwin, 1895)
Leptachatina konaensis E.R. Sykes, 1900
Laminella kuhnsi C.M. Cooke, 1908
Leptachatina labiata (W. Newcomb, 1853)
Amastra laeva D.D. Baldwin, 1896
Leptachatina laevigata C.M. Cooke, 1910
Leptachatina laevis W.H. Pease, 1870
Leptachatina lagena (J.T. Gulick, 1856)
Amastra lahainana H.A. Pilsbry & C.M. Cooke,1914
Leptachatina lanaiensis C.M. Cooke, 1911
Leptachatina lanceolata C.M. Cooke, 1911
Leptachatina leiahiensis C.M. Cooke, 1910
Leptachatina lenta C.M. Cooke, 1911
Leptachatina lepida C.M. Cooke, 1910
Leptachatina leucochila (J.T. Gulick, 1856)
Amastra lineolata (W. Newcomb, 1853)
Carelia lirata C.M. Cooke, 1931
Leptachatina longiuscula C.M. Cooke, 1910
Leptachatina lucida W.H. Pease, 1870
Amastra luctuosa L. Pfeiffer, 1856
Amastra luteola (A.E.J. Férussac)
Carelia lymani C.M. Cooke, 1931
Amastra magna (C.B. Adams, 1850)
Amastra makawaoensis A. Hyatt & H.A. Pilsbry,1911
Amastra malleata E.A. Smith, 1873
Leptachatina maniensis L. Pfeiffer, 1855
Leptachatina marginata (J.T. Gulick, 1856)
Amastra mastersi (W. Newcomb, 1854)
Leptachatina mauiensis (L. Pfeiffer, 1855)
Leptachatina mcgregori H.A. Pilsbry & C.M. Cooke,1914
Amastra melanosis (W. Newcomb, 1854)
Amastra metamorpha H.A. Pilsbry & C.M. Cooke,1914
Amastra micans L. Pfeiffer, 1859