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| No. | Valid Name | Author | English Name |
| 1. | Scymnodon ichiharai | Yano & Tanaka, 1984 | Japanese velvet dogfish |
| 2. | Scymnodon macracanthus | (Regan, 1906) | Largespine velvet dogfish |
| 3. | Scymnodon ringens | Barbosa du Bocage & de Brito Capello, 1864 | Knifetooth dogfish |