| Valid name | Hydrolagus |
| Synonym | Type: Chimaera colliei Lay and Bennett, 1839, off Monterey, California, by monotypy. |
| Synonym | Hydrolagus Gill, 1863 |
| Synonym | Bathyalopex Collett, 1904, Forh. Vidensk. Selsk. Krist., (9): 5 (type: Chimaera mirabilis Collett, by monotypy) as |
| Synonym | Gender: M; Proc. Acad. nat. Sci. Philad., 1862 (1863): 331 |