20 Species in Family Bathylasmatidae
| Scientific Name | Author | English Name |
|---|---|---|
| Aaptolasma americana | (Pilsbry, 1916) | |
| Aaptolasma brintoni | Newman & Ross, 1971 | |
| Aaptolasma callistoderma | (Pilsbry, 1911) | |
| Aaptolasma leptoderma | Newman & Ross, 1971 | |
| Aaptolasma triderma | Newman & Ross, 1971 | |
| Bathylasma alearum | (Foster, 1978) | |
| Bathylasma aucklandicum | (Hector, 1888) | |
| Bathylasma corolliforme | (Hoek, 1883) | |
| Bathylasma hirsutum | (Hoek, 1883) | |
| Hexelasma americanum | Pilsbry, 1916 | |
| Hexelasma aureolum | Jones, 2000 | |
| Hexelasma flavidum | Jones, 2000 | |
| Hexelasma foratum | Jones, 2000 | |
| Hexelasma fosteri | Newman & Ross, 1971 | |
| Hexelasma globosum | Jones, 2000 | |
| Hexelasma persicum | Jones, 2000 | |
| Hexelasma sandaracum | Jones, 2000 | |
| Hexelasma velutinum | Hoek, 1913 | |
| Tetrachaelasma southwardi | Newman & Ross, 1971 | |
| Tetrachaelasma tasmanicum | Buckeridge, 1999 |