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| No. | Valid Name | Author | English Name |
| 1. | Somniosus antarcticus | Whitley, 1939 | Southern sleeper shark |
| 2. | Somniosus cheni | Hsu, Lin & Joung, 2020 | Taiwan sleeper shark |
| 3. | Somniosus longus | (Tanaka, 1912) | Frog shark |
| 4. | Somniosus microcephalus | (Bloch & Schneider, 1801) | Greenland shark |
| 5. | Somniosus pacificus | Bigelow & Schroeder, 1944 | Pacific sleeper shark |
| 6. | Somniosus rostratus | (Risso, 1827) | Little sleeper shark |