- Aaptolasma americanum (Pilsbry, 1916) accepted as Hexelasma americanum Pilsbry, 1916
- Aaptolasma triderma Newman & Ross, 1971 accepted as Hexelasma triderma (Newman & Ross, 1971)
- Hexelasma alearum Foster, 1978 accepted as Bathylasma alearum (Foster, 1978)
- Hexelasma americanum Pilsbry, 1916
- Hexelasma gracilis Foster, 1981
- Hexelasma nolearia Foster, 1978
- Hexelasma triderma (Newman & Ross, 1971)