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| No. | Valid Name | Author | English Name |
| 1. | Bathylagichthys australis | Kobyliansky, 1990 | Southern deepsea smelt |
| 2. | Bathylagichthys greyae | (Cohen, 1958) | Grey's deepsea smelt |
| 3. | Bathylagichthys kobylianskyi | Gon & Stewart, 2014 | |
| 4. | Bathylagichthys longipinnis | (Kobyliansky, 1985) | |
| 5. | Bathylagichthys parini | Kobyliansky, 1990 | |
| 6. | Bathylagichthys problematicus | (Lloris & Rucabado, 1985) |